Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, hieu lang, nhiet nang
doc nhieu » doc hieu, toc thieu, hoc thieu
trung tac » trung tam, trong tac, trung tai
tac dung » sach dung, xay dung, tin dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc nhieu tang - thanh trung tac dung ((cong dan) or (cong san)) ((than cap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc nhieu tang - thanh trung tac dung ((cong dan) OR (cong san)) ((than cap) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: doc nhieu tang - thanh trung tac dung ((cong dan) or (cong san)) ((than cap) or (phan cac))*.