Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cua dong » chua dong, cua cong, cua nong
cua dang » cua cong, cua ban
cong van » cong vang, song van, cong tan
cong san » cong tac
phan dau » phan tu, hang dau

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 ((cua dong) or (cua dang)) ((cong van) or (cong san)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh tranh ((cua dong) OR (cua dang)) ((cong van) OR (cong san)) phan dau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh tranh ((cua dong) or (cua dang)) ((cong van) or (cong san)) phan dau*.