Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » thong cong, hang cong, nhung don
thanh tran » thanh trang, thanh toan, thanh tra
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
ho hieu » ho chieu, hoi hieu, nho hieu
tung va » trung va, tuong va, dung va
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 va ((nhung cong) or (dung cong)) thanh tran quang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh tung va ((nhung cong) OR (dung cong)) thanh tran quang.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tung va ((nhung cong) or (dung cong)) thanh tran quang*.