Perhaps you should try some spelling variations:
trang van » tran van, trang va, trong van
bang cong » dang cong, hang cong, dung cong
bang song » nang song
30 trieu » 25 trieu
tram van » tran van, tam van, tranh 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: 30 trieu tinh - hanh ((tram van) or (trang van)) ((bang cong) or (bang song)) tac pham tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - hanh ((tram van) OR (trang van)) ((bang cong) OR (bang song)) tac pham tap.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - hanh ((tram van) or (trang van)) ((bang cong) or (bang song)) tac pham tap*.