Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
van thanh » ban thanh, van tuan
dung cong » dung trong
tcc thanh » tac thanh, tuc thanh, thuc thanh
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cua dung » cua dang, cua dong, qua dung
tac than » tac thanh, tam than, tac nhan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - ((hanh doanh) or (van thanh)) cua dung cong ((tac than) or (tcc thanh)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((hanh doanh) OR (van thanh)) cua dung cong ((tac than) OR (tcc thanh)) tap.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((hanh doanh) or (van thanh)) cua dung cong ((tac than) or (tcc thanh)) tap*.