Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"sobre politica publicaa." » "sobre politica publicas.", "sobre politicas publicas.", "sobre politicas publicad.", "sobre politicas publicasa.", "sobre politicas publicaa."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "elite politica publica."

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