Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
thu san » thuy san, thu ban, phu san
vai cua » dai cua, hai cua, lai cua
hieu va » lieu va, hieu qua
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cuu tre, cua triet
loc va » hoc va
luc va » duc va, tuc va
tu ban » thu ban, te ban

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: ((thu san) OR (tu ban)) ky tang ma hoa. hieu va cac ((loc va) OR (luc va)) hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu san) or (tu ban)) ky tang ma hoa. hieu va cac ((loc va) OR (luc va)) hanh vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((thu san) or (tu ban)) ky tang ma hoa. hieu va cac ((loc va) OR (luc va)) hanh vai cua tre*.