Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cong dung » cuong dung, cong dong, cong luong
thanh cha » thanh ha, thanh nha, thanh phan
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sach - canh doanh cua dong ((cong dan) or (cong dung)) thanh cha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - canh doanh cua dong ((cong dan) OR (cong dung)) thanh cha*.