Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica."
"elite politica para." » "elites politicas para.", "etica politica para.", "entre politica para.", "elite politicas para.", "elite politica agraria."

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: (((("serie politica publica.") OR ("serie policiaca publicas."))) OR ("elite politica para."))~.
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( serie policiaca publicas. ))) or ( elite politica para. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publica.") or ("serie policiaca publicas."))) or ("elite politica para."))*.