Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
tieu sach » chieu sach, dien sach, te sach
manh toan » thanh toan, anh tuan, tinh toan
luan san » luan van, luan hoan, luan phan
san cong » sang cong, van cong, ban cong
dan toan » van toan, dan than, xuan toan

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 - canh doanh luan san cong ((dan toan) OR (manh toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - canh doanh luan san cong ((dan toan) or (manh toan)) cau*.