Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
thanh van » thanh san, thanh toan, thanh phan
tran van » luan van
cong dan » cong san, cong tan, huong dan
hang dau » hang va
hang tai » hang va, dung tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - canh ((tran van) or (thanh van)) nhung cong dan ((hang dau) OR (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - canh ((tran van) OR (thanh van)) nhung cong dan ((hang dau) OR (hang tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - canh ((tran van) or (thanh van)) nhung cong dan ((hang dau) OR (hang tai))".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - canh ((tran van) or (thanh van)) nhung cong dan ((hang dau) OR (hang tai))*.