Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
toc sach » hoc sach, doc sach, thuoc sach
danh lai » danh sai, gianh lai, dinh lam
cham duc » pham duc, cham soc, pham duy
thien va » thien van, tien va, thien tai
su triet » su viet, su tien, ve triet
va danh » va dinh, va dan, va hanh
nang xa » lang xa, nang ma, mang xa
va cham » va chat, va tham

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: toc sach y ((nang xa) OR (nang x)) hoi. thien va cham duc va danh lai ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y ((nang xa) or (nang x)) hoi. thien va cham duc va danh lai ((cua triet) OR (su triet))~".
• Adding a wildcard symbol may retrieve word variants: toc sach y ((nang xa) or (nang x)) hoi. thien va cham duc va danh lai ((cua triet) OR (su triet))*.