Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
quan nhung » qua nhung, cua nhung, luan chung
thai quan » thai quang, hai quan, thai luan
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chiet tach)) - nhanh thai quan nhung ((cong dan) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - nhanh thai quan nhung ((cong dan) OR (cong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (chiet tach)) - nhanh thai quan nhung ((cong dan) OR (cong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - nhanh thai quan nhung ((cong dan) OR (cong san)) toan ban*.