Perhaps you should try some spelling variations:
ban thanh » ban hang
ban hanh » ban hang
va triet » va thiet, va trien, ve triet
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
va tinh » may tinh
va cam » va cham, va cac, va cao
x hoi » xa hoi, o hoi, x ho
di va » dai va, di vao, doi va

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 ky nang x hoi. lieu va cam xuc ((((ban thanh) or (va tinh))) or (ban hanh)) di va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang x hoi. lieu va cam xuc ((((ban thanh) OR (va tinh))) OR (ban hanh)) di va triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x hoi. lieu va cam xuc ((((ban thanh) or (va tinh))) or (ban hanh)) di va triet*.