Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
va hanh » van hanh, va thanh, va danh
qua cam » qua cham, qua cac, qua cai
ky lang » ky nang, ky dang, ky tang
su can » su van, su cao, tu can
qua ca » qua cac, qua cua, qua cai
xuc va » duc va, tuc va, luc va
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 cam) or (qua ca)) xuc va 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 cam) OR (qua ca)) xuc va hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su cac) OR (su can)) ky lang xa hoi. hieu ((qua cam) or (qua ca)) xuc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su cac) OR (su can)) ky lang xa hoi. hieu ((qua cam) or (qua ca)) xuc va hanh vi cua tre*.