Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh hung, hanh dung
thanh tung » thanh cong
hoc thieu » toc thieu
bang cong » dang cong, bang song, hang cong
san thanh » ban thanh, van thanh, son thanh
thanh tap » thanh lap, thanh tai, thanh tay
cong san » cong tac
va bang » va nang, va lang, va ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (hoc hien)) sang - ((thanh dung) or (thanh tung)) va bang cong san thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sang - ((thanh dung) OR (thanh tung)) va bang cong san thanh tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sang - ((thanh dung) or (thanh tung)) va bang cong san thanh tap*.