Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
lang xa » lang ha, dang xay, lang van
su sach » vu sach
ky lang » ky nang, ky dang, ky tang
so sach » so sanh, bo sach, co sach
qua cam » qua cham, qua cac, qua ca
luc va » duc va, tuc va
loc va » hoc va
vi cua » vai cua, di cua

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