Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
ban hanh » ban hang
cac xuc » cam xuc, chat xuc, cac cuoc
cua tre » cua te, cuu tre, cua triet
tu ban » thu ban, te ban
ban ky » van ky, dan ky
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

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