The trio are Le Tri Lam, Dinh Thao Vy and HoangAnh Dung from Hanoi. They were among the eight Vietnamese candidatescompeting in the event.
Lam earned the country a place in the top ten nations for the second time.
Last year, Vietnam bagged two gold medals at the contest heldannually by Hwa Chong Academy in Singapore for Year 6 and 7 pupils fromthe Asia-Pacific region.-VNA