Perhaps you should try some spelling variations:
su triet » su tien, ve triet
su sach » so sach, vu sach
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
su viet » so viet
hieu va » lieu va, hieu qua
cao suc » cao su, cao duc
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
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 y nang x hoi. hieu va cao suc ((va hanh) OR (va danh)) ca ((su triet) OR (su viet))~.
• Adding a wildcard symbol may retrieve word variants: su sach y nang x hoi. hieu va cao suc ((va hanh) or (va danh)) ca ((su triet) or (su viet))*.