Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cong tang » cong thang, cong lang, cong vang
cua bang » chua bang, cua ban, cua dang
cong tan » cong tac, cong san, cong thanh
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 - canh tranh cua bang ((cong tan) or (cong tang)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh cua bang ((cong tan) OR (cong tang)) than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh cua bang ((cong tan) or (cong tang)) than cau*.