She finished the 200m backstroke clocking at 2:14:80, breaking SEA Games record of 2:15:73 set up by Indonesian Yessy Yosaputra at the 2011 SEA Games.
Earlier, the other Vietnamese swimmer, Tran Duy Khoi grabbed a bronze medal in the men’s 400m individual medley.
In wrestling, Vietnam won four gold medals on Thursday by Tuan Anh, The Anh, Nguyen Huy Ha, and Nguyen Thi Lua.
With the results, Vietnam enlarged its medal purse to 16 gold medals, ranking second on the tally after the host Myanmar.
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