Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hieu van » hieu va, thien van, lieu va
hanh va » hang va
xuc van » duc van, luc van, vuc van
lam xuc » cam xuc, lam duoc
vu sach » vu bach, su sach, vu khach
ty nang » ky nang, ty hang, ly nang
van lam » van nam
ma hoi » mai hoi, xa hoi, ma hoa

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: vu sach ((ty nang) OR (ty xang)) ma hoi. hieu van lam xuc van ((hanh va) OR (hanh vi)) cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ty nang) or (ty xang)) ma hoi. hieu van lam xuc van ((hanh va) OR (hanh vi)) cua viet~".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) or (ty xang)) ma hoi. hieu van lam xuc van ((hanh va) OR (hanh vi)) cua viet*.