Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
cuc phuong » cac phuong, cuu phuong, cua phuong
doi chieu » doc hieu, doi chi, ho chieu
cua nong » cua cong, cuu nong, cua dong
cong tac » cong ty
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh trung ((cua nong) or (cuc phuong)) ((cong san) OR (cong tac)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh trung ((cua nong) OR (cuc phuong)) ((cong san) OR (cong tac)) than cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh trung ((cua nong) or (cuc phuong)) ((cong san) OR (cong tac)) than cao*".