Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
thanh nhung » thanh hung, hanh nhung, tranh nhung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan ban, toan tap

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 xanh) OR (chieu sang)) - thanh trung thanh nhung ((cong tan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - thanh trung thanh nhung ((cong tan) OR (cong san)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - thanh trung thanh nhung ((cong tan) or (cong san)) toan cao*".