Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
ve triet » va trien, su triet
hieu van » hieu va, thien van, lieu va
va triet » va thiet, va trien, cua triet
thanh vi » hanh vi, thanh va, thanh ve
xuc van » duc van, luc van, xuc ban
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty hang, ly nang
nam xuc » cam xuc, nam xua, nam thuc
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: tu sach ((ty nang) OR (ty xang)) ma hoi. hieu van nam xuc van thanh vi ((va triet) OR (ve triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) or (ty xang)) ma hoi. hieu van nam xuc van thanh vi ((va triet) OR (ve triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty xang)) ma hoi. hieu van nam xuc van thanh vi ((va triet) OR (ve triet))*.