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

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky tang ma hoi. hieu ve cham soc ban ((hanh vai) OR (hanh vi)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky tang ma hoi. hieu ve cham soc ban ((hanh vai) OR (hanh vi)) cua tre*.