Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
hieu quang » thieu quang, hieu quan, hieu qua
truong cao » truong dai
cao khong » cao phong, cat khong, dao khong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu, hang dau
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((trieu tinh) or (hieu quang)) - thanh truong cao khong ((cong dan) or (cong tan)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((trieu tinh) OR (hieu quang)) - thanh truong cao khong ((cong dan) OR (cong tan)) phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((trieu tinh) or (hieu quang)) - thanh truong cao khong ((cong dan) or (cong tan)) phan dau*.