Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
quan hang » quan hoang, quan lang, quan hanh
luan hoan » luan van
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

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 sach - canh tranh ((quan hang) or (luan hoan)) ((cong dan) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh ((quan hang) OR (luan hoan)) ((cong dan) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh ((quan hang) or (luan hoan)) ((cong dan) or (cong tan)) than cau*.