Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
van nhung » van nhuong, va nhung, van hung
tang van » dang van, hoang van, trong van
cong tan » cong san, cong thanh, cong ty
cong tac » 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: ho ((hieu lang) or (chieu sach)) - hanh tang van nhung ((cong tan) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - hanh tang van nhung ((cong tan) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sach)) - hanh tang van nhung ((cong tan) or (cong tac)) toan tap*.