Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van
van tap » van tai, van tan, han tap

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

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