Perhaps you should try some spelling variations:
"codigo moral ley." » "codigo rural ley.", "codigo laboral ley.", "codigo penal ley.", "codigo moral y.", "codigo moral de.", "codigo moral en."
"codigo 2la ley." » "codigos la ley.", "codigo 2 ley.", "codigo la ley.", "codigo 2da ley.", "codigo sola ley."
"codigo da ley." » "codigo de ley.", "codigos la ley.", "codigos de ley.", "codigo 2da ley.", "codigo la ley."
"codigo y le." » "codigos y le.", "codigo 2 le.", "codigo de le.", "codigo y ley.", "codigo y les.", "codigo y la."

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