Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh tran » canh tranh, hanh trang, banh trang
tran van » luan van
van hung » van dung, manh hung, van duong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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 tran van hung ((cong dan) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tran van hung ((cong dan) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tran van hung ((cong dan) or (cong san)) phan cau*.