Perhaps you should try some spelling variations:
"rodrigo da ley." » "rodrigo de ley.", "rodrigo la ley.", "rodrigo diaz ley.", "rodrigo 2da ley.", "rodrigo dy ley.", "rodrigo da les.", "rodrigo d1 ley."
"codigos de ley." » "codigo de ley."
"rodrigo a ley." » "rodrigo la ley.", "rodrigo y ley.", "rodrigo _ ley.", "rodrigo a les.", "rodrigo 1 ley."
"codigos la ley." » "codigos ly ley.", "codigos la les.", "codigos l1 ley."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("rodrigo da ley.") or ("rodrigo a ley."))) or ("codigos de ley."))) or ("codigos la ley."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("rodrigo da ley.") OR ("rodrigo a ley."))) OR ("codigos de ley."))) OR ("codigos la ley.")).
• Removing quotes may allow a broader search: (((((( rodrigo da ley. ) or ( rodrigo a ley. ))) or ( codigos de ley. ))) or ( codigos la ley. )).
• Adding a wildcard symbol may retrieve word variants: (((((("rodrigo da ley.") or ("rodrigo a ley."))) or ("codigos de ley."))) or ("codigos la ley."))*.