Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung quan » truong quan, trong quan, trung tuan
cong thanh » dong thanh, cong trinh, truong thanh
trung qua » trong qua, trung cua, truong quan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong ty
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: ho chieu sach - thanh ((trung qua) or (trung quan)) dung ((cong tan) OR (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung qua) OR (trung quan)) dung ((cong tan) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung qua) or (trung quan)) dung ((cong tan) OR (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung qua) or (trung quan)) dung ((cong tan) OR (cong thanh)) toan ban*.