Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"elites politica luis." » "elites politicas luis.", "elite politica luis.", "elite politico luis.", "elites politico luis.", "elites politica las.", "elites politica los."
"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 politica luis.") or ("limites juridicos luis."))) or ("serie politicas publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elites politica luis.") OR ("limites juridicos luis."))) OR ("serie politicas publica."))*.
• Removing quotes may allow a broader search: (((( elites politica luis. ) or ( limites juridicos luis. ))) or ( serie politicas publica. ))*.