Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cau luc » cau phuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua
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 ky nang x hoi. hieu ve ((cau luc) OR (cau truc)) va hanh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu ve ((cau luc) or (cau truc)) va hanh vi cua tre*.