Perhaps you should try some spelling variations:
ban danh » ban doanh, ban hanh, ban dan
ky lang » ky nang, ky dang, ky tang
van hoi » van hoc, van hoe, van loi
ve cham » va cham, ve chat, vu cham
danh vi » hanh vi, dinh vi, danh di
cuu ban » cuu van, cua ban, cuu san
tu sai » tu bai, tu san, tu cai
vi cua » vai cua, di cua
ve cac » va cac, vien cac
sai ky » sac ky
cua te » cua tu

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

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