Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh huong » thanh huong, anh huong, manh huong
huong cua » dung cua
dang cong » dung cong
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 sang) or (chieu sach)) - hanh huong cua dang cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - hanh huong cua dang cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu sach)) - hanh huong cua dang cong tac toan ban*.