Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
duong thanh » dong thanh, muong thanh, luong thanh
thanh phanm » thanh pham, thanh nhan, thanh thanh
thanh dung » thanh tung, thanh hung, hanh dung
thanh phan » thanh pho, thanh san, thanh toan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
cong tan » cong tac, cong san, cong thanh
co hieu » cao hieu, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co hieu) or (ho chieu)) lang - thanh duong thanh dung cong tan ((thanh phanm) or (thanh phan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co hieu) OR (ho chieu)) lang - thanh duong thanh dung cong tan ((thanh phanm) OR (thanh phan)).
• Adding a wildcard symbol may retrieve word variants: ((co hieu) or (ho chieu)) lang - thanh duong thanh dung cong tan ((thanh phanm) or (thanh phan))*.