Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chau tinh » cuu tinh, ha tinh, cua tinh
trung qua » trung quan, trung cua, truong quan
trong qua » trong quan, thong qua, trong nha
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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) or (chau tinh)) - thanh ((trung qua) or (trong qua)) dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chau tinh)) - thanh ((trung qua) OR (trong qua)) dung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chau tinh)) - thanh ((trung qua) or (trong qua)) dung cong dan van ban*.