Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
thanh vi » hanh vi, thanh va, thanh ve
qua cac » cua cac
sach ky » sac ky, sach y, sach ty
so sach » so sanh, bo sach, co sach
qua cau » quan cau, qua ca, qua cai
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
vi va » vi van, vai va, vu va

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: so sach ky lang xa hoi. hieu ((qua cau) OR (qua cac)) ((luc va) OR (tuc va)) thanh vi va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky lang xa hoi. hieu ((qua cau) or (qua cac)) ((luc va) OR (tuc va)) thanh vi va triet~".
• Adding a wildcard symbol may retrieve word variants: so sach ky lang xa hoi. hieu ((qua cau) or (qua cac)) ((luc va) OR (tuc va)) thanh vi va triet*.