Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hanh doanh » hang doanh, doanh doanh, kinh doanh
tieu sach » chieu sach, dien sach, te sach
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
cua dang » cua ban
cong van » cong vang, cong san, song van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh doanh) OR (chinh doanh)) ((cua dang) OR (cua cong)) cong van thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - ((hanh doanh) OR (chinh doanh)) ((cua dang) or (cua cong)) cong van thanh cau~".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh doanh) OR (chinh doanh)) ((cua dang) or (cua cong)) cong van thanh cau*.