Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tay hoi » tay ho, tay thai
tao hoi » tao khoi, tao boi, thao hoc
va tham » van tham, va cham, va thanh
danh vi » hanh vi, dinh vi, danh di
su sach » so sach, vu sach
soc va » hoc va, doc va, goc va
loc va » hoc va, luc 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 _ sang ((tao hoi) OR (tay hoi)). lieu va tham ((soc va) OR (loc va)) danh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach _ sang ((tao hoi) or (tay hoi)). lieu va tham ((soc va) OR (loc va)) danh vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: su sach _ sang ((tao hoi) or (tay hoi)). lieu va tham ((soc va) OR (loc va)) danh vi cua triet*.