Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
ly nang » ky nang, ly hang, ly vang
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
y nang » ky nang, may nang, day nang
v nang » va nang, vu nang, van nang
vi cua » vai cua, di 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: tu sach ((((y nang) OR (ly nang))) OR (v nang)) xa hoi. hieu va cac xuc ban thanh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((((y nang) OR (ly nang))) or (v nang)) xa hoi. hieu va cac xuc ban thanh vi cua viet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((((y nang) OR (ly nang))) or (v nang)) xa hoi. hieu va cac xuc ban thanh vi cua viet*.