Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
xuc van » duc van, luc van, vuc van
qua hai » qua hoat
ky lang » ky nang, ky dang, ky tang
qua ca » qua cac, qua cua, qua cai
su can » su van, su cao, tu can
vi cua » vai cua, di cua
su cac » tu cac, su cao, eu cac

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

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