Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
hanh vai » hanh vi, hanh tai, hanh van
hieu van » hieu va, thien van, lieu va
cac luc » cau luc, coc luc, cac nuoc
cuu tre » cua tre, cau tren
hanh va » hang va, hanh vi
van cac » van hac, van cau, van bac
xay hoi » xa hoi, tay hoi, cay phoi
luc va » duc va, tuc va, loc va
sac ky » cac ky, sai ky
va xay » va xac
tu sac » tu sach, tu cac, tu san
ky va » ly va, ke va, my 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 ky va xay hoi. hieu van cac luc va ((hanh vai) OR (hanh va)) ((cuu tre) OR (cau treo))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky va xay hoi. hieu van cac luc va ((hanh vai) OR (hanh va)) ((cuu tre) or (cau treo))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky va xay hoi. hieu van cac luc va ((hanh vai) OR (hanh va)) ((cuu tre) or (cau treo))*.