Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su triet » su tien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
su viet » so viet
hieu ve » hieu va, hieu van
sach v » sach va, sach y, sach 2
ma hoi » mai hoi, ma hoa, me hoi
v nang » va nang, vu nang, van nang
ve cac » va cac, vien cac

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