Perhaps you should try some spelling variations:
te sach » toc sach
vu nang » vuc nang, vu dang, vu bang
va nang » van nang, da nang, cam nang
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
v nang » van nang, voi nang, vuc nang
vi cua » vai cua, di cua

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 ((v nang) OR (((vu nang) OR (va nang)))) xa hoi. hieu ve pham duc va danh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (((vu nang) or (va nang)))) xa hoi. hieu ve pham duc va danh vi cua tre*.