Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua viet » hoa viet, cua vat, cua dieu
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xuc van » duc van, luc van, xuc ban
ca viet » va viet, co viet, hoa viet
hieu va » lieu va, hieu qua
ma hoi » mai hoi, ma hoa, me hoi
va cam » va cham, va cac, va cao

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 ky nang ((ma hoi) OR (xa hoi)). hieu va cam xuc van thanh vi ((cua viet) OR (ca viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ((ma hoi) OR (xa hoi)). hieu va cam xuc van thanh vi ((cua viet) or (ca viet))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((ma hoi) OR (xa hoi)). hieu va cam xuc van thanh vi ((cua viet) or (ca viet))*.