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

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