Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
doc chieu » doc hieu, doi chieu, toc thieu
cong dan » cong tan, huong dan, cong dong
cong tac » cong ty
toan cau » 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: doc chieu xanh - hanh trinh quan nhung ((((cong dan) or (cong tac))) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - hanh trinh quan nhung ((((cong dan) OR (cong tac))) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - hanh trinh quan nhung ((((cong dan) or (cong tac))) or (cong san)) toan cau*.