Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
hieu va » lieu va, hieu qua
hieu ve » hieu van
va nang » van nang, da nang, cam nang
su tien » su kien, su hien, tu tieng
ma hoi » mai hoi, xa hoi, ma hoa
v nang » vu nang, van nang, voi nang
vi su » va su, ve su, ki su

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