Perhaps you should try some spelling variations:
"codigos l1 ley." » "codigos la ley.", "codigos los ley.", "codigos de ley.", "codigos 1 ley."
"codigo 2 ley." » "codigo y ley.", "codigo de ley.", "codigo en ley.", "codigo 1 ley.", "codigo 2 le."
"codigo a ley." » "codigo da ley.", "codigo y ley.", "codigos la ley.", "codigo a les.", "codigo 1 ley."
"rodriguez la ley." » "rodriguez ly ley.", "rodriguez la les.", "rodriguez 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: (((((("codigo 2 ley.") or ("codigo a ley."))) or ("rodriguez la ley."))) or ("codigos l1 ley."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("codigo 2 ley.") OR ("codigo a ley."))) OR ("rodriguez la ley."))) OR ("codigos l1 ley.")).
• Removing quotes may allow a broader search: (((((( codigo 2 ley. ) or ( codigo a ley. ))) or ( rodriguez la ley. ))) or ( codigos l1 ley. )).
• Adding a wildcard symbol may retrieve word variants: (((((("codigo 2 ley.") or ("codigo a ley."))) or ("rodriguez la ley."))) or ("codigos l1 ley."))*.