Perhaps you should try some spelling variations:
ban hanh » ban hang
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
xuc ban » duc ban, cuc ban, quoc ban
qua cai » qua hai, qua cac, quan cau
ky lang » ky nang, ky dang, ky tang
qua ca » qua cac, qua cua, quan cau
su can » su van, su cao, tu can
vi cua » vai cua, di cua
eu cac » tu cac, su cac, vu cac

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

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