Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van ban
cua viet » ca viet, hoa viet, cua vat
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
va hanh » va thanh, va danh, ban hanh
van anh » van thanh, tuan anh, van minh
va cao » va cac, va co, va dao
vi cua » vai cua, di cua
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 ky nang x hoi. hieu va cao xuc ((va hanh) or (((van hanh) or (van anh)))) vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang x hoi. hieu va cao xuc ((va hanh) OR (((van hanh) OR (van anh)))) vi cua viet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x hoi. hieu va cao xuc ((va hanh) or (((van hanh) or (van anh)))) vi cua viet*.