Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
trong cua » truong cua, thong cua, trong ca
cua nhung » va nhung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cao » toan cao, thai cao, than cap

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

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