Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh sang, anh tong
anh nang » ganh nang, anh bang, anh sang
anh dang » anh dong, anh dung, anh bang
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, 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 chieu sach - ((((anh tang) or (anh nang))) or (anh dang)) cua dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((((anh tang) OR (anh nang))) OR (anh dang)) cua dung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((((anh tang) or (anh nang))) or (anh dang)) cua dung cong dan than cau*.