Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
theo chieu » ho chieu, theo chu, thi chieu
canh doanh » hanh doanh, chinh doanh, kinh doanh
luan dung » lan dung, luan dong, luan hung
trong dan » trong dang, trong san, trong tan
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) sach - ((canh doanh) OR (doanh doanh)) luan dung trong dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - ((canh doanh) OR (doanh doanh)) luan dung trong dan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) sach - ((canh doanh) OR (doanh doanh)) luan dung trong dan phan cac".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) sach - ((canh doanh) OR (doanh doanh)) luan dung trong dan phan cac*.