Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va hanh » van hanh, va thanh, va danh
sach ly » sach y, sach lo, sach ty
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
ly nang » ky nang, ly hang, ly vang
ve cac » vien cac
tuc va » thuc va, truc va, tuc xa
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 ly nang ((xa hoi) OR (mai hoi)). hieu ((ve cac) OR (va cac)) tuc va hanh vi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang ((xa hoi) or (mai hoi)). hieu ((ve cac) OR (va cac)) tuc va hanh vi cua triet~".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ((xa hoi) or (mai hoi)). hieu ((ve cac) OR (va cac)) tuc va hanh vi cua triet*.