Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
van thanh » ban thanh, van tuan
vien cac » vien bach, vien dai, vien da
cua tre » cua te, cuu tre, cua triet
xuc van » duc van, luc van, vuc van
mai hoi » mai khoi, dai hoi, mai doi
hai cua » thai cua, dai cua, hoi cua
lai hoi » dai hoi, lai hoa, lai roi
su cao » cu cao, vu cao, su co

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su cao ky nang ((mai hoi) OR (lai hoi)). hieu ((va cac) OR (vien cac)) xuc van thanh hai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cao ky nang ((mai hoi) OR (lai hoi)). hieu ((va cac) or (vien cac)) xuc van thanh hai cua tre~".
• Adding a wildcard symbol may retrieve word variants: su cao ky nang ((mai hoi) OR (lai hoi)). hieu ((va cac) or (vien cac)) xuc van thanh hai cua tre*.