Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
soc van » hoc van, oc van, sac van
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
o hoi » co hoi, o hoc, o hai

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)) o hoi. hieu ((ve cham) OR (vu cham)) soc van hanh dai cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (v nang)) o hoi. hieu ((ve cham) or (vu cham)) soc van hanh dai cua tre*.