Perhaps you should try some spelling variations:
thien van » thi van
cua viet » ca viet, hoa viet, cua vat
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, lieu va, hieu ve
hanh va » hang va, hanh vi
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
ma hoi » mai hoi, xa hoi, ma hoa
va cua » va chua, via cua, ca cua

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) OR (thien van)) lam xuc van hanh va 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) OR (thien van)) lam xuc van hanh va cua viet~".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) or (ty xang)) ma hoi. ((hieu van) OR (thien van)) lam xuc van hanh va cua viet*.