Perhaps you should try some spelling variations:
"continuo de ley." » "continua de ley.", "contenido de ley."
"continuo y ley." » "continua y ley.", "continuo en ley.", "continuo del ley."
"codigo 2da ley." » "codigo da ley.", "codigo de ley.", "codigo yda ley.", "codigo deda ley.", "codigo enda ley."
"codigo 2 ley." » "codigo y ley.", "codigo de ley.", "codigo en ley.", "codigo 1 ley.", "codigo 2 le.", "codigo 3 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 ("continuo y ley."))) or ((("codigo 2 ley.") or ("codigo 2da ley."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("continuo de ley.") OR ("continuo y ley."))) OR ((("codigo 2 ley.") OR ("codigo 2da ley.")))).
• Removing quotes may allow a broader search: (((( continuo de ley. ) or ( continuo y ley. ))) or ((( codigo 2 ley. ) or ( codigo 2da ley. )))).
• Adding a wildcard symbol may retrieve word variants: (((("continuo de ley.") or ("continuo y ley."))) or ((("codigo 2 ley.") or ("codigo 2da ley."))))*.