Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
hanh nam » thanh nam, hanh lam, hanh ngay
va triet » va thiet, va trien, ve triet
so sach » so sanh, bo sach, co sach
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
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 van) or (hieu va)) chat xuc van hanh nam va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang x hoi. ((hieu van) OR (hieu va)) chat xuc van hanh nam va triet.
• Adding a wildcard symbol may retrieve word variants: so sach y nang x hoi. ((hieu van) or (hieu va)) chat xuc van hanh nam va triet*.