Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thai cua » than cua, tai cuc, dai cua
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
soc ban » hoc ban, coc ban, so ban
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky

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

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