Perhaps you should try some spelling variations:
ban hanh » ban hang
tang dan » tang van, tung dan, tang luan
van hanh » van thanh, van anh, van ban
ky tang » ky nang, ky dang, kho tang
dan hoi » dan hoc, dai hoi, van hoi
ve chat » va chat, van chat
tu sac » tu sach, tu cac, tu san
ca cua » co cua
cua te » cua tu
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky tang dan hoi. hieu ((ve chat) or (va phat)) xuc ((van hanh) or (ban hanh)) ca cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang dan hoi. hieu ((ve chat) OR (va phat)) xuc ((van hanh) OR (ban hanh)) ca cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang dan hoi. hieu ((ve chat) or (va phat)) xuc ((van hanh) or (ban hanh)) ca cua te*.