Perhaps you should try some spelling variations:
chao chieu » cao hieu, chao chu, ho chieu
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
anh tang » anh bang, anh dang, anh sang
anh nang » ganh nang, anh bang, anh dang
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: chao chieu sach - ((anh tang) or (anh nang)) cua nhung cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chieu sach - ((anh tang) OR (anh nang)) cua nhung cong dan than cao*.