Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
thi hanh » thi thanh
sach doi » sach hoi, sach moi, sach dao
hanh dau » hang dau, danh dau, han dau
lang xa » lang ha, dang xay, lang van
sach lo » sach dao, sach hoi, sach moi
vai cua » dai cua, hai cua, lai cua
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc 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: thu ((sach lo) OR (sach doi)) lang xa hoi. thi hanh dau ((xuc va) OR (luc va)) hanh vai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach lo) or (sach doi)) lang xa hoi. thi hanh dau ((xuc va) OR (luc va)) hanh vai cua triet~".
• Adding a wildcard symbol may retrieve word variants: thu ((sach lo) or (sach doi)) lang xa hoi. thi hanh dau ((xuc va) OR (luc va)) hanh vai cua triet*.