Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh hai » thanh phan, thanh hoa, thanh san
cua tre » cua te, cuu tre, cua triet
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hai cua » thai cua, dai cua, hoi cua
duc ban » duc tan, duc van, dua ban
su sai » su tai, su hai, su dai
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cai
sai ky » sac ky
ve cam » ve cham, ve cac, ve cai

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) or (va cao)))) duc ban thanh hai 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) OR (va cao)))) duc ban thanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky tang xa hoi. hieu ((ve cam) or (((va cam) or (va cao)))) duc ban thanh hai cua tre*.