Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"series political public." » "series politicas public.", "serie politicas public.", "crises political public.", "series politicas publicas.", "series politicas publicad.", "series politica publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica 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: (((("series political public.") OR ("serie politica publica."))) OR ("serie policiaca publica."))~.
• Removing quotes may allow a broader search: (((( series political public. ) or ( serie politica publica. ))) or ( serie policiaca publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("series political public.") or ("serie politica publica."))) or ("serie policiaca publica."))*.