Perhaps you should try some spelling variations:
trong van » trong cac
bang cong » dang cong, hang cong, dung cong
bang song » nang song
ho trieu » mot trieu, 25 trieu, 30 trieu
tram van » tran van, tam van, trang van
tac pham » thuc pham, san pham
pham tap » pham tai, pha tap, phan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - hanh ((tram van) or (trong van)) ((bang cong) or (bang song)) tac pham tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - hanh ((tram van) OR (trong van)) ((bang cong) OR (bang song)) tac pham tap.
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - hanh ((tram van) or (trong van)) ((bang cong) or (bang song)) tac pham tap*.