Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
soc van » hoc van, oc van, sac van
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
anh vi » hanh vi, anh ve, anh vu
anh va » hanh va

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 sach y nang xa hoi. lieu va cham soc van ((anh vi) OR (anh va)) ((cau tren) OR (cua tre))~.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. lieu va cham soc van ((anh vi) or (anh va)) ((cau tren) or (cua tre))*.