Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hung cong » nhung cong, hung cuong, phung cong
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
tang van » dang van, hoang van, trong van
van hung » van dung, manh hung, van duong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: theo ((chu xanh) or (chieu sach)) - anh tang van hung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu sach)) - anh tang van hung cong dan toan cao*.