Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
quan trong » gian trong
dang quan » dang quang, nang quan, dung quan
anh dang » anh dong, anh dung, anh bang
cong tac » cong ty
toan cao » toan tap
toan ban » van 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 (chieu sang)) - anh dang quan trong cong tac ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - anh dang quan trong cong tac ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - anh dang quan trong cong tac ((toan cao) or (toan ban))*.