On 17 January 2020, Aung joined first tier division Thailand club, Trat on loan for the remainder of the 2020–21 Thai League 1 season.

On 29 August 2020, Aung moved to Thai League 2 side, Lampang but his deal was cut short in December 2020.

In January 2021, Aung joined Khon Kaen United on loan till the end of the 2020–21 Thai League 2 season.

On 3 January 2022, Aung moved back to Thailand to joined Udon Thani for the remainder of the 2021–22 Thai League 2 season.

[2][3] On 14 June 2022, Aung scored his first international goal against Singapore at the Dolen Omurzakov Stadium in Kyrgyzstan.