Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh day » hanh may, han day, hanh dao
sach ty » sach y, sach tu, sach thu
day cua » dai cua
va hanh » van hanh, va thanh, va danh
ve chat » va chat, van chat
tu sach » thu sach, su sach, te sach
ty sang » ty xang, ty hang, duy sang
ve cham » va cham, vu cham, ve chim
tuc va » thuc va, truc va, tuc xa
ma hoi » mai hoi, ma hoa, me hoi

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 ty sang ((ma hoi) OR (xa hoi)). hieu ((ve cham) OR (ve chat)) tuc va hanh day cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty sang ((ma hoi) OR (xa hoi)). hieu ((ve cham) or (ve chat)) tuc va hanh day cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ty sang ((ma hoi) OR (xa hoi)). hieu ((ve cham) or (ve chat)) tuc va hanh day cua triet*.