Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, hieu lang, nhiet nang
cong thanh » dong thanh, cong trinh, truong thanh
trung cap » truong cao, trung tam
hieu van » hieu va, thien van, lieu va
cap dang » cao dang, cac dang, cap bang
cong tan » cong tac, cong san, cong ty
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu van) or (nhieu tang)) - thanh trung cap dang ((cong thanh) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu van) OR (nhieu tang)) - thanh trung cap dang ((cong thanh) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu van) or (nhieu tang)) - thanh trung cap dang ((cong thanh) or (cong tan)) than cau*.