Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tran » hanh trang, thanh tran, hanh tram
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
van hang » van khang, van hoang, van thang
cong dan » cong tan, huong dan, cong tac
cong san » cong tac
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: ho chieu xanh - hanh tran van hang ((((cong dan) or (cong dong))) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tran van hang ((((cong dan) OR (cong dong))) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tran van hang ((((cong dan) or (cong dong))) or (cong san)) toan cau*.