Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh doi » thanh doi, hanh noi, hang doi
chat xuc » chat huu, cam xuc, chao xu
hieu vu » hieu va, hieu ve, hieu su
doi cua » dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
vu chat » va chat, ve chat, du chat
tu cach » tu cac
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
o hoc » co hoc, mo hoc, so hoc
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: ((tu cach) OR (thu sach)) ky nang ((x hoi) OR (o hoc)). hieu vu chat xuc va hanh doi cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) ky nang ((x hoi) or (o hoc)). hieu vu chat xuc va hanh doi cua tre*.