Perhaps you should try some spelling variations:
"codigo moral y." » "codigo rural y.", "codigo laboral y.", "codigo penal y.", "codigo moral _."
"continuo de ley." » "continua de ley.", "contenido de ley."
"codigo en ley." » "codigo de ley.", "codigo penal ley.", "codigo en les."
"codigo da ley." » "codigo de ley.", "codigos la ley.", "codigos de ley.", "codigo 2da ley.", "codigo la 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: (("continuo de ley.") or ((((("codigo moral y.") or ("codigo en ley."))) or ("codigo da ley."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("continuo de ley.") OR ((((("codigo moral y.") OR ("codigo en ley."))) OR ("codigo da ley.")))).
• Removing quotes may allow a broader search: (( continuo de ley. ) or ((((( codigo moral y. ) or ( codigo en ley. ))) or ( codigo da ley. )))).
• Adding a wildcard symbol may retrieve word variants: (("continuo de ley.") or ((((("codigo moral y.") or ("codigo en ley."))) or ("codigo da ley."))))*.