Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tung » thanh tung, manh tung, hanh dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san van » tan van, luan van, tran van
van cau » van dau, van hau, van chat

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 - ((hanh tung) or (anh tang)) cua dung cong san van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tung) OR (anh tang)) cua dung cong san van cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tung) or (anh tang)) cua dung cong san van cau*.