Perhaps you should try some spelling variations:
dinh vai » dinh van, dinh vi, dinh va
cuu tre » cau tren, cau treo
va dinh » van dinh, va kinh, va tinh
ky danh » ky anh, ky dang
xay hoi » xa hoi, cay phoi, gay thoi
cua tre » cua te, cua triet, dua tren
tay hoi » tay ho, tao hoi, tay thai
hieu va » lieu va, hieu qua
cao suc » cao su, cao duc
tu sai » tu bai, tu san, tu cai
suc va » duc va, tuc va, luc va
sai ky » sac ky
va cao » va cac, va co, va dao

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 sai ky danh ((xay hoi) OR (tay hoi)). hieu va cao suc va dinh vai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky danh ((xay hoi) OR (tay hoi)). hieu va cao suc va dinh vai ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky danh ((xay hoi) OR (tay hoi)). hieu va cao suc va dinh vai ((cua tre) or (cuu tre))*.