Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
trang tai » trang trai, tang tai, trang tri
tung cua » trung cua, tuong cua, dung cua
cua nong » cua cong, cuu nong, cua dong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
ho hieu » ho chieu, hoi hieu, nho hieu
quang » quan

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 lang - thanh tung cua nong ((cong tan) or (cong san)) ((trang tai) or (tran quang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh tung cua nong ((cong tan) OR (cong san)) ((trang tai) OR (tran quang)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tung cua nong ((cong tan) or (cong san)) ((trang tai) or (tran quang))*.