Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vat hanh » vat thanh, van hanh, nhat hanh
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
van cac » van cau, van bac, dan cac
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
van hac » van hoc, van ha, van hai

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 ly nang xa hoi. hieu ((van cac) OR (van hac)) thuc ((vat hanh) OR (va hanh)) tai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang xa hoi. hieu ((van cac) or (van hac)) thuc ((vat hanh) OR (va hanh)) tai cua triet~".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang xa hoi. hieu ((van cac) or (van hac)) thuc ((vat hanh) OR (va hanh)) tai cua triet*.