Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thuong ban » thuong han, thuong lan, tuong ban
doi chieu » doc hieu, doi chi, mot chieu
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang
tung dan » dung dan, huong dan, trung dai

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 - thanh cong tan hang ((thuong ban) or (tung dan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh cong tan hang ((thuong ban) OR (tung dan)) phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh cong tan hang ((thuong ban) or (tung dan)) phan tu*.