[4] Along her singing career, she also starred in many films and made appearance in TV dramas such as Hoa Cỏ May, the movies 39 Độ Yêu (39 Degree of Love) and Chiến Dịch Trái Tim Bên Phải (Right Heart Campaign).

In 2003, after moving to Ho Chi Minh City, she made an appearance as being a singer for the first time at Người Đẹp Hát show.

In 2005, after the release of 39 Độ Yêu (39 Degree of Love) and Chiến Dịch Trái Tim Bên Phải (Right-heart Campaign), she temporarily stopped acting to focus on singing instead.

[9] After that, Huy Tuan began working on her debut album as a producer, which was named as Vietnamese: 24 Giờ 7 Ngày (24 Hours 7 Days), which was released in 2004 by Viet Tan Studio.

Tri is a close friend of musician Huy Tuan, so the album used his song Vietnamese: Hôm Nay Anh Đến (Today He Comes).

Her next album title is Và Em Đã Yêu (And I'm In Love), which was released in June 2005 by Music Faces Records and Phuong Nam Films.

Two hit songs of the album were Đêm Nghe Tiếng Mưa (Listening to Night Rain) and Và Em Đã Yêu (And I'm In Love) helped Ho Ngoc Ha become well-known afterward.

[11] Later, she joined the movie title Chiến Dịch Trái Tim Bên Phải (Right Heart Campaign) released on 10 June 2005.

There were 3 hit songs in this album including Muốn Nói Với Anh (I Wanna Tell You), Giấc Mơ Chỉ Là Giấc Mơ (Dream Is Only Dream) and Đời Bỗng Vui (Life Is Unexpectedly Happy) During that time, Ho Ngoc Ha and Duc Tuan released an album named Ảo Ảnh (Illusion) which was a collection of classic songs from famous musicians such as Y Van, Van Phung, Ngo Thuy Mien, Pham Manh Cuong, Do Le, Trong Khuong and Huynh Anh.

Also in that year, on Sức Sống Mới Show, host Thanh Mai and Trung Dung carried an interview partially regarding her love and career.

This time especially, Duc Tri wasn't a part of the album's production but by many young musicians such as Duong Khac Linh, Hoang Anh and Hung Lan instead.

She performed the English version of Xin Hãy Thứ Tha named My Apology at Asia Song Festival in Korea.

In order to promote Sunsilk and her album, she ran Và Em Đã Yêu Tour across Vietnam starting in September 2009.

This was her second duet album and the first song without the production of Duc Tri and Music Faces Records, the third time collaboration with Viet Tan Studio.

Until mid 2011, she released two new singles Sao Ta Lặng Im (Why We Keep Silence) (written and composed by Nguyen Hong Thuan) and Nỗi Nhớ Đầy Vơi (Nonstop Missing) (featuring Noo Phuoc Thinh) which both made remarkable moves on various music charts.

The second single Từ Ngày Anh Đi (The Day You Went Away) (composed by Nguyen Hoang Duy) was exclusively aired on YanTV.

[19] In September 2012, while being a judge of The Voice Vietnam, she surprisingly released a new single Đắn Đo (Wondering) including two songs Đắn Đo (Wondering) (composed by Phuong Uyen) and Chôn Giấu Một Tình Yêu (Hidden Love) (featuring Le Quyen) composed by Luong Bang Quang.

She shared: "Lots of people wonder why I've chosen difficult paths this time, instead of the same old style; personally thinking, being safe in music is boring".

[21] Ho Ngoc Ha had a catwalk with supermodel Thanh Hang in an enormous dress inspired by poisonous mushroom designed by Cong Tri, in 11th Đẹp Fashion Show.

On 12 August 2013, Hãy Thứ Tha Cho Em (composed by Duong Khac Linh, written by Hoang Huy Long) and Giấu Anh Vào Nỗi Nhớ (Keep You In My Thought) (Chau Dang Khoa) were released in two different music styles.

In the making of these versions, she and 50 people crew kept working in 4 days at several studios in District 2 & 9 (Ho Chi Minh City) for 15 different sets, 12 uniquely designed costumes and 1 month for post production.

Her 8 hits were linked together to make a 40 minute long emotional musical story with powerful and beautiful choreography by John Huy Tran and Ngoc Tu.

She even decided to invite John-Paul "JP" San Pedro - a famous American dancer and choreographer who used to work with Janet Jackson, Jennifer Lopez, Britney Spears, Christina Aguilera, Miley Cyrus,...to be a part of this liveshow.

Along with Tran Bao Son, director Luu Huynh's new movie was greatly contributed by 30 artists in plenty different fields, including Ly Hung, Phuoc Sang, Binh Minh, Than Thuy Ha, Dinh Y Nhung, Tuyen Map, Andrea Aybar, Cat Phuong,...among the cast, "King of the Box Office" Thai Hoa and "Queen of Entertainment" Ho Ngoc Ha were announced to be participating in the movie.

She has dated actor Kim Ly ever since, after tabloids about her divorce with ex-husband Nguyen Quoc Cuong, being a third wheel with businessman Chu Dang Khoa and the rivalry with singer-actress Minh Hang in The Face Vietnam.

She donated money for 20 families living under unfortunate condition in Hoa Hiep Nam Ward, which was up to 50 million VND in total.

At the show, she gave away 200 presents and 400 lucky money envelopes for orphans and children living in unfortunate condition in Ho Chi Minh City.

For being wholeheartedly devoted in society and charity activities, she was also rewarded with an honorary from Citizen Committee of Ho Chi Minh City.

[26] Later, she and other artists together held the show Ngày Hạnh Phúc (Happy Day) with the consulting from journalist Ngô Bá Lục from vnMedia on 8 March 2011.

The organization of Ngày Hạnh Phúc (Happy Day) released an official statement on the website as those who would be able to receive their gifts would be "lottery sellers, cleaning workers, street vendors, casual labors, homeless children, trash collectors,...families that living under the bridges or bus stops.