Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
thanh lap » phan lap, thanh hai, thanh van
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 trung cua nhung cong san ((((thanh lap) OR (thanh san))) OR (phan tu))~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trung cua nhung cong san ((((thanh lap) or (thanh san))) or (phan tu))*.