Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cac loc » cac lop, cac toc, cac hoc
te sach » toc sach
x quang » xa quang, _ quang, vu quang
hieu va » hieu qua
sach x » sach xa, sach xu, sach y
loc va » hoc va, luc va
ca hoi » cua hoi, xa hoi, co hoi
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: te sach x quang ((ca hoi) OR (cau hoi)). ((hieu va) OR (lieu va)) cac loc va danh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach x quang ((ca hoi) OR (cau hoi)). ((hieu va) or (lieu va)) cac loc va danh vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach x quang ((ca hoi) OR (cau hoi)). ((hieu va) or (lieu va)) cac loc va danh vi cua triet*.