Perhaps you should try some spelling variations:
"serie politicas publicad." » "serie politicas publicas.", "serie politica publica.", "serie politica publicas.", "serie policiaca publicad."
"debates politicos las." » "debate politico las.", "debates politicos la.", "debates politico la.", "debates politica las."
"elites politico luis." » "elite politico luis.", "elites politicas luis.", "elite politica luis.", "elites 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 politico luis.") OR ("debates politicos las."))) OR ("serie politicas publicad."))~.
• Removing quotes may allow a broader search: (((( elites politico luis. ) or ( debates politicos las. ))) or ( serie politicas publicad. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elites politico luis.") or ("debates politicos las."))) or ("serie politicas publicad."))*.