Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
chu manh » ho manh, chu han, chu van
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan tap » toan ban

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

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