Perhaps you should try some spelling variations:
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » hieu qua
cuu tre » cua tre, cau tren, cau treo
tu sac » tu sach, tu cac, tu san
sac my » sac ky
va xay » va xac
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vi cuu » vi luu, vinh cuu
my va » may va, ly va, me va

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: tu sac my va xay hoi. ((hieu va) OR (lieu va)) cac ((xuc va) OR (tuc va)) hanh vi cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac my va xay hoi. ((hieu va) or (lieu va)) cac ((xuc va) OR (tuc va)) hanh vi cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu sac my va xay hoi. ((hieu va) or (lieu va)) cac ((xuc va) OR (tuc va)) hanh vi cuu tre*.