Perhaps you should try some spelling variations:
derecho financiero » mercado financiero
editorial comares » editorial cuarto, editorial gomez
penal general » manual general, del general, especial general
moral general » moralem generalem
el general » del general, _ general, el genero

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((penal general) OR (el general))) or (moral general)) de derecho financiero (editorial comares)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((penal general) OR (el general))) OR (moral general)) de derecho financiero (editorial comares)*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((penal general) OR (el general))) or (moral general)) de derecho financiero (editorial comares)*".