Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh dai » hanh tai, hanh dao, vanh dai
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
dua ban » dia ban, cua ban, qua ban
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky tang xa hoi. hieu ((ve cam) or (va cam)) dua ban hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky tang xa hoi. hieu ((ve cam) OR (va cam)) dua ban hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky tang xa hoi. hieu ((ve cam) or (va cam)) dua ban hanh dai cua tre*.