Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
phuong tinh » phuong trinh, phuong binh, khuong tinh
canh doanh » hanh doanh, chinh doanh, kinh doanh
theo hieu » theo chieu, thien hieu, thuc hieu
cua bang » chua bang, cua ban, cua dang
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo hieu) OR (theo tieu)) lang - ((canh doanh) or (doanh doanh)) cua bang phuong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo hieu) OR (theo tieu)) lang - ((canh doanh) OR (doanh doanh)) cua bang phuong tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo hieu) OR (theo tieu)) lang - ((canh doanh) or (doanh doanh)) cua bang phuong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo hieu) OR (theo tieu)) lang - ((canh doanh) or (doanh doanh)) cua bang phuong tinh toan cao*.