Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
hieu lang » chieu sang, hieu quang, nhieu tang
trong san » trong cac, dong san, trong ca
doi hieu » doi chieu, doc hieu, doi hien
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - thanh dung ((cua dung) or (cua dong)) ((trong san) OR (cong san)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - thanh dung ((cua dung) OR (cua dong)) ((trong san) OR (cong san)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - thanh dung ((cua dung) or (cua dong)) ((trong san) OR (cong san)) phan cac".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh dung ((cua dung) or (cua dong)) ((trong san) OR (cong san)) phan cac*.