Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
luan chung » luan chinh
tang luan » dung luan
thanh ban » thanh san, thanh van, thanh bac
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cong van » cong vang, song van, cong tan
cong san » cong tac

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 - anh tang luan chung ((cong van) or (cong san)) thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - anh tang luan chung ((cong van) OR (cong san)) thanh ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - anh tang luan chung ((cong van) or (cong san)) thanh ban*.