The 19-year-old swimmer finished the 200-metre in 2:14:01, performing below her personal records.
The gold and silver medal winners, Hosszu Katinka and Zakabos Zsuzsa, respectively, are both from Hungary.
|Vietnamese swimmer Nguyen Thi Anh Vien. Photo: AFP/VNA
Vien is scheduled to compete in her strong 400-metre medley event on August 17. She recently won a silver medal during the 2015 FINA (International Swimming Federation) World Cup Moscow in Russia earlier this month.