Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
quoc dung » quoc hung, duoc dung, quoc dong
cuoc dong » cuoc song, duoc dong, cuoc cong
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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 sach - canh tranh ((quoc dung) or (cuoc dong)) cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh tranh ((quoc dung) OR (cuoc dong)) cong tan van ban*.