Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
ve triet » va trien, su triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
hoc van » hoc dan, hoc vat, hoc phan
hanh ve » hanh vi, hanh va, hanh kem
x hoi » xa hoi, o hoi, x ho
ve ve » de ve, va ve, ke ve

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 ky nang x hoi. hieu viec cac ((hoc van) OR (hoc va)) hanh ve ve triet~.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. hieu viec cac ((hoc van) or (hoc va)) hanh ve ve triet*.