Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang x hoi. ((hieu ve) or (hieu qua)) pham duc va hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang x hoi. ((hieu ve) OR (hieu qua)) pham duc va hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach y nang x hoi. ((hieu ve) or (hieu qua)) pham duc va hanh vai cua triet*.