Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dinh ve » dinh ket, dinh van
va dinh » van dinh, va kinh, va tinh
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
te sach » toc sach
xay hoi » xa hoi, cay phoi, gay thoi
ky danh » ky anh
ky dang » ky nang
tay hoi » tay ho, tao hoi, tay thai
ve cac » va cac, vien cac
ve cua » le cua, de cua, te cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky dang) OR (ky danh)) ((xay hoi) or (tay hoi)). hieu ve cac duc va dinh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky dang) OR (ky danh)) ((xay hoi) OR (tay hoi)). hieu ve cac duc va dinh ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky dang) OR (ky danh)) ((xay hoi) or (tay hoi)). hieu ve cac duc va dinh ve cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky dang) OR (ky danh)) ((xay hoi) or (tay hoi)). hieu ve cac duc va dinh ve cua triet*.