Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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 trung cua dung cong san ((thanh lap) OR (phan cau))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung cua dung cong san ((thanh lap) or (phan cau))*.