Perhaps you should try some spelling variations:
"codigos de ley." » "codigo de ley.", "codigos la ley."
"codigo 2da ley." » "codigo de ley.", "codigo 2 ley.", "codigo 2la ley.", "codigo 2dla ley.", "codigo 2dy ley.", "codigo 2da les."
"codigo da ley." » "codigo de ley.", "codigos la ley.", "codigo del ley.", "codigo la ley.", "codigo dla ley.", "codigo dy ley.", "codigo da les."
"canto a ley." » "canto de ley.", "canto la ley.", "canto y ley.", "canto a les."

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: (("canto a ley.") or ((((("codigo da ley.") or ("codigo 2da ley."))) or ("codigos de ley."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("canto a ley.") OR ((((("codigo da ley.") OR ("codigo 2da ley."))) OR ("codigos de ley.")))).
• Removing quotes may allow a broader search: (( canto a ley. ) or ((((( codigo da ley. ) or ( codigo 2da ley. ))) or ( codigos de ley. )))).
• Adding a wildcard symbol may retrieve word variants: (("canto a ley.") or ((((("codigo da ley.") or ("codigo 2da ley."))) or ("codigos de ley."))))*.