Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van hanh » van thanh, ban hanh, van anh
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
vu ban » tu ban, va ban
ban ky » van ky, dan ky
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu ban ky nang x hoi. hieu ((ve cham) OR (va cham)) xuc ((ban thanh) OR (van hanh)) vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ban ky nang x hoi. hieu ((ve cham) OR (va cham)) xuc ((ban thanh) or (van hanh)) vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu ban ky nang x hoi. hieu ((ve cham) OR (va cham)) xuc ((ban thanh) or (van hanh)) vi cua tre*.