Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trung cua cong ((cong san) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trung cua cong ((cong san) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trung cua cong ((cong san) or (cong tan)) toan ban*.