Perhaps you should try some spelling variations:
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie politicas public.", "serie politica public.", "series politicas public."
"serie policiaca publica." » "serie politica publica.", "serie politicas publicas.", "serie politicas publicad."
"elite politica publicas." » "elite politicas publicas.", "elite politica publica.", "elite politica publicaciones.", "elites politicas publicas.", "etica politica publicas.", "entre politica publicas."

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