Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
cua tre » cua te, cuu tre, cua triet
lai cua » dai cua, hai cua, lai chau
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, ma hoa, me hoi
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang ((ma hoi) or (xa hoi)). hieu ve cham xuc ((van hanh) or (ban hanh)) lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ((ma hoi) OR (xa hoi)). hieu ve cham xuc ((van hanh) OR (ban hanh)) lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ((ma hoi) or (xa hoi)). hieu ve cham xuc ((van hanh) or (ban hanh)) lai cua tre*.