Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, toan doanh
ban danh » ban hanh, ban dan, van danh
van hoi » van hoc, van hoe, van loi
hieu ve » hieu va, hieu van
cam cuu » cham cuu, cap cuu
cua tre » cua te, cuu tre, cua triet
tu ban » thu ban, te ban
ban ky » van ky, dan ky
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ban ky nang ((van hoi) or (van hoa)). hieu ve cam cuu ((ban danh) or (ban doanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ky nang ((van hoi) OR (van hoa)). hieu ve cam cuu ((ban danh) OR (ban doanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ban ky nang ((van hoi) or (van hoa)). hieu ve cam cuu ((ban danh) or (ban doanh)) vi cua tre*.