Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
cong cong » cong dong, trong cong, dung cong
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
anh sang » lanh sang, anh dang, anh nang
anh bang » anh hoang, anh quang, tinh bang
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 (chiet tach)) - ((anh sang) or (anh bang)) cua cong cong vinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - ((anh sang) OR (anh bang)) cua cong cong vinh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chiet tach)) - ((anh sang) or (anh bang)) cua cong cong vinh toan ban*.