Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tran » thanh trang, thanh toan, thanh tra
cong thanh » dong thanh, cong trinh, truong thanh
doi chieu » doc hieu, doi chi, ho chieu
van thong » van thuong, van phong, va thong
tran van » luan van
cong san » cong tac
cong tan » cong tac, cong ty, cong ha
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 - thanh tran van thong ((cong san) or (((cong thanh) OR (cong tan)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tran van thong ((cong san) OR (((cong thanh) OR (cong tan)))) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tran van thong ((cong san) or (((cong thanh) OR (cong tan)))) toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tran van thong ((cong san) or (((cong thanh) OR (cong tan)))) toan cao*.