Perhaps you should try some spelling variations:
ve triet » va trien, su triet
va hanh » van hanh, va thanh, va danh
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
va bao » va bai
y nang » ky nang, ly nang, v nang
va dao » ca dao
ma hoi » mai hoi, xa hoi, ma hoa
va dan » ca dan, va dau, va dap
ca ve » ca va, va ve

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 ma hoi. hieu ((va bao) or (va dao)) luc ((va hanh) or (va dan)) ca ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ma hoi. hieu ((va bao) OR (va dao)) luc ((va hanh) OR (va dan)) ca ve triet.
• Adding a wildcard symbol may retrieve word variants: so sach y nang ma hoi. hieu ((va bao) or (va dao)) luc ((va hanh) or (va dan)) ca ve triet*.