Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, nhiet nang
trung tran » trung tuan, trung thanh, trung tam
hieu lang » chieu sang, hieu quang, hieu van
tran dung » tran dang, tran hung, tran quang
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
than cau » toan cau, phan cau, than cap
toan ban » van ban

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

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