Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
hieu quang » thieu quang, hieu quan, hieu qua
truong cho » truong cao, trong cho, truong pho
hieu lang » chieu sang, nhieu tang, hieu van
cho nhung » cho chuong, cua nhung, thi nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho ((hieu lang) OR (hieu quang)) - thanh truong cho nhung ((cong dan) or (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho ((hieu lang) OR (hieu quang)) - thanh truong cho nhung ((cong dan) OR (cong tan)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho ((hieu lang) OR (hieu quang)) - thanh truong cho nhung ((cong dan) or (cong tan)) than cap".
• Adding a wildcard symbol may retrieve word variants: nho ((hieu lang) OR (hieu quang)) - thanh truong cho nhung ((cong dan) or (cong tan)) than cap*.