Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
tieu sach » chieu sach, dien sach, te sach
cua khong » hua khong, cua phuong, cua thuong
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - thanh dung cua khong ((cong dan) or (cong tac)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - thanh dung cua khong ((cong dan) OR (cong tac)) phan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh dung cua khong ((cong dan) or (cong tac)) phan cau*.