Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
tranh van » trinh van, thanh van, tranh ban
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
cong dan » cong san, cong tan, huong dan
hang dau » hang va
hang tai » hang va, dung tai

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 van) OR (tran van)) nhung cong dan ((hang dau) or (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh ((tranh van) OR (tran van)) nhung cong dan ((hang dau) OR (hang tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh ((tranh van) OR (tran van)) nhung cong dan ((hang dau) or (hang tai))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh ((tranh van) OR (tran van)) nhung cong dan ((hang dau) or (hang tai))*.