Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
chinh tai » chinh tri
tai nhung » thai nhung, thi nhung, tai hung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu tinh)) - hanh chinh tai nhung ((cong tan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - hanh chinh tai nhung ((cong tan) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - hanh chinh tai nhung ((cong tan) or (cong tac)) toan cau*.