Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va hanh » van hanh, va thanh, va danh
cau luc » cau truc, cau phuc
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
tu nang » tru nang, tu nong, tu nano
ve cau » ke cau, va cau, ve cac
su cac » tu cac, su cao, su can
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
co hoi » co hoc, co loi
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: ((su sach) or (su cac)) tu nang ((x hoi) or (co hoi)). hieu ve cau luc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (su cac)) tu nang ((x hoi) OR (co hoi)). hieu ve cau luc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (su cac)) tu nang ((x hoi) or (co hoi)). hieu ve cau luc va hanh vi cua triet*.