Perhaps you should try some spelling variations:
hanh vai » hanh va, hanh tai, hanh van
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac toc » cac toi, cac nuoc, cac thoi
cua tre » cua te, cuu tre, cua triet
tu can » tu cac, thu canh
tu ban » thu ban, te ban
toc ta » toc tay, toc thai

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 can) OR (tu ban)) ky nang xa hoi. hieu va cac toc ta ((hanh vai) OR (hanh vi)) cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu can) or (tu ban)) ky nang xa hoi. hieu va cac toc ta ((hanh vai) or (hanh vi)) cua tre*.