Perhaps you should try some spelling variations:
chiet tach » chieu sach
trung cua » truong cua, trung tuan, trung cap
hang cong » dang cong, hang nong, bang cong
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chinh sach) or (chiet tach)) - hanh ((trung cua) or (tang cua)) hang cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (chiet tach)) - hanh ((trung cua) OR (tang cua)) hang cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (chiet tach)) - hanh ((trung cua) or (tang cua)) hang cong dan than cao*.