Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
hua khong » hoa khong, cua khong, hoac khong
tung hua » trung hoa, cung chua, dung nhua
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
than cau » toan cau, phan cau, 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 xanh - thanh tung hua khong ((cong tan) or (cong tac)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung hua khong ((cong tan) OR (cong tac)) than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung hua khong ((cong tan) or (cong tac)) than cau*.