Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, mot chieu
tuan tuan » tran tuan, than tuan, xuan tuan
tuan hung » tran hung, luan hung, tuan dung
hung cong » nhung cong, hung cuong, phung cong
cong tac » cong ty
toan cau » toan ban, toan tai
toan cao » toan ban
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: doi chieu sach - anh tuan tuan hung cong tac ((((toan cau) or (toan cao))) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - anh tuan tuan hung cong tac ((((toan cau) OR (toan cao))) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - anh tuan tuan hung cong tac ((((toan cau) or (toan cao))) or (toan tap))*.