Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
nhieu tang » chieu sang, nhiet nang
truong cao » truong dai
hieu lang » chieu sang, hieu quang, hieu van
dung cong » dung trong
ban thanh » ban hang
cao dung » cao dang, cao dong, cao ung
ban hanh » ban hang

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

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