Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, nhieu tang, hieu van
trong tan » trong quan, trong cac, trong ca
va huong » va thuong, va phuong, va tuong
van dung » van dong, xay dung, tin dung
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) OR (hieu quang)) - thanh truong ((va huong) or (van dung)) trong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (hieu quang)) - thanh truong ((va huong) OR (van dung)) trong tan tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) OR (hieu quang)) - thanh truong ((va huong) or (van dung)) trong tan tran cao".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) OR (hieu quang)) - thanh truong ((va huong) or (van dung)) trong tan tran cao*.