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