Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
doi chieu » doc hieu, doi chi, ho chieu
tam dung » tam duong, tac dung, am dung
tan dung » tran dung, tin dung, van dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trung ((tam dung) or (tan dung)) cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trung ((tam dung) OR (tan dung)) cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trung ((tam dung) or (tan dung)) cong dan than tap*.