Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
soc ban » hoc ban, coc ban, so ban
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

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 cac ky tang ma hoi. hieu vu cham soc ban hanh vai ((cua tre) OR (cuu tre))~.
• Adding a wildcard symbol may retrieve word variants: tu cac ky tang ma hoi. hieu vu cham soc ban hanh vai ((cua tre) or (cuu tre))*.