Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
cua hoi » cua moi
qua cam » qua cham, qua cac, qua ca
cam duc » cam xuc, cao duc, pham duc
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
y hang » ly hang, ty hang, yu hang
vi cua » vai cua, di 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 y hang ((xa hoi) or (cua hoi)). hieu qua cam duc va dinh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y hang ((xa hoi) OR (cua hoi)). hieu qua cam duc va dinh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach y hang ((xa hoi) or (cua hoi)). hieu qua cam duc va dinh vi cua triet*.