[5][6] She is known for her fashion style, often wearing the traditional Vietnamese dress áo dài and matching its color to the necktie of her husband, which has become an internet sensation in Vietnam.

[9] Their daughter, Nguyễn Thị Xuân Trang (born 1986), is a businesswoman and major shareholder of the Gateway International School in Hanoi.

[10] Ms. Trang is married to Vũ Chí Hùng, who is currently the deputy director of the General Department of Taxation at the Ministry of Finance of Vietnam.

Thu has attracted controversy due to her alleged ties to the Việt Á scandal involving bribery and overpricing of COVID-19 test kit, which is partially responsible for her husband's resignation.

[3][4][12] In his resignation address, former President Phúc denied any conspiracy theories insinuating that his wife was associated with the Việt Á scandal.