Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu viec » nhieu viec, hieu ve, sieu viet
ban thanh » ban hanh, ban hang
viec cac » vien cac, viec cua, viec lam
thanh ve » hanh ve, thanh va, thanh vien
va triet » va thiet, va trien, ve triet
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cac tac » cac toc, cac bac, cac dac
tac ban » tai ban, cac ban, tao ban
x hoi » o hoi, x ho, 5 hoi
ve va » ve van, te va, ke va

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: thuoc sach ty nang ((x hoi) OR (xa hoi)). hieu viec cac tac ban thanh ve va triet~.
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty nang ((x hoi) or (xa hoi)). hieu viec cac tac ban thanh ve va triet*.