Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
manh va » hanh va, anh va, minh va

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 manh va nhung ((((cong tan) or (huong dan))) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh manh va nhung ((((cong tan) OR (huong dan))) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh manh va nhung ((((cong tan) or (huong dan))) or (cong tac)) toan cau*.