Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phap thuc » phap thu, phap hoc, phap tu
va thanh » gia thanh, ban thanh, va tinh
doc sach » hoc sach, toc sach, nuoc sach
hieu vi » hieu voi, hieu va, hieu ve
sach ty » sach y, sach tu, sach thu
va hanh » van hanh, va danh, ban hanh
ty nang » ky nang, ty xang, ty hang
hai cua » thai cua, dai cua, hoi cua
vi phap » va phap, vi pham, vi phan
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: doc sach ty nang ((ma hoi) OR (xa hoi)). hieu vi phap thuc ((va hanh) OR (va thanh)) hai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc sach ty nang ((ma hoi) or (xa hoi)). hieu vi phap thuc ((va hanh) OR (va thanh)) hai cua triet~".
• Adding a wildcard symbol may retrieve word variants: doc sach ty nang ((ma hoi) or (xa hoi)). hieu vi phap thuc ((va hanh) OR (va thanh)) hai cua triet*.