Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
va nang » van nang, da nang, cam nang
te sach » toc sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
soc van » hoc van, oc van, sac van
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, may nang
v nang » vu nang, van nang, voi nang
x hoi » xa hoi, o hoi, x ho

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: te sach ((y nang) OR (((v nang) OR (va nang)))) x hoi. hieu ve cham soc van hanh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (((v nang) OR (va nang)))) x hoi. hieu ve cham soc van hanh lai cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (((v nang) OR (va nang)))) x hoi. hieu ve cham soc van hanh lai cua tre*.