Perhaps you should try some spelling variations:
"serie politicas publico." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publico."
"elites politicas luis." » "limites politicos luis.", "las politicas luis.", "ideas politicas luis.", "elites politica luis.", "elites politicas las.", "elites politicas polis."
"debates politico luis." » "debates politicos luis.", "debate politico luis.", "combate politico luis.", "debates politico la."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elites politicas luis.") OR ("debates politico luis."))) OR ("serie politicas publico."))~.
• Removing quotes may allow a broader search: (((( elites politicas luis. ) or ( debates politico luis. ))) or ( serie politicas publico. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elites politicas luis.") or ("debates politico luis."))) or ("serie politicas publico."))*.