Perhaps you should try some spelling variations:
thanh hang » thanh hoang, thanh thang, tranh hang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
thanh hai » thanh phan, thanh hoa, thanh san
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - ((thanh hang) or (thanh cong)) va hang cong tan ((than cap) or (thanh hai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((thanh hang) OR (thanh cong)) va hang cong tan ((than cap) OR (thanh hai)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((thanh hang) or (thanh cong)) va hang cong tan ((than cap) or (thanh hai))*.