Perhaps you should try some spelling variations:
ban hang » ngan hang
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, cac nuoc, chat xuc
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
can ky » van ky, dan ky, ban ky
tu can » tu ban, tu cac, thu canh

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

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