Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
tran tuan » tran xuan, tran quang, tran thanh
cong san » cong tac

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: hoc chieu sach - hanh tran tuan thong cong san ((toan ban) OR (van ban))~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh tran tuan thong cong san ((toan ban) or (van ban))*.