Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di cua
cua te » cua tu
x hoi » o hoi, x ho, 5 hoi

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) OR (xa hoi)). hieu ve pham duc va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang ((x hoi) OR (xa hoi)). hieu ve pham duc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ky nang ((x hoi) OR (xa hoi)). hieu ve pham duc va hanh vi cua te*.