Perhaps you should try some spelling variations:
"elites politicas luis." » "limites politicos luis.", "las politicas luis.", "ideas politicas luis.", "elites politica luis.", "elites politico luis.", "elites politicas las."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"limites juridicos luis." » "limites juridica luis.", "limites juridicos que.", "limites juridico las."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("elites politicas luis.") or ("limites juridicos luis."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elites politicas luis.") OR ("limites juridicos luis."))) OR ("serie politica publica."))*.
• Removing quotes may allow a broader search: (((( elites politicas luis. ) or ( limites juridicos luis. ))) or ( serie politica publica. ))*.