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