Perhaps you should try some spelling variations:
su sach » so sach, vu sach
so sanh » do sanh
cam luc » cam xuc, cau luc
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
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: ((su sach) OR (so sanh)) ky nang x hoi. lieu va cam luc va dan vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky nang x hoi. lieu va cam luc va dan vi cua tre*.