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

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("elite politica public.") or ((("serie politica publica.") OR ("serie policiaca publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("elite politica public.") OR ((("serie politica publica.") OR ("serie policiaca publica.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"elite politica public.\") or (((\"serie politica publica.\") OR (\"serie policiaca publica.\"))))".
• Removing quotes may allow a broader search: (( elite politica public. ) or ((( serie politica publica. ) OR ( serie policiaca publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("elite politica public.") or ((("serie politica publica.") OR ("serie policiaca publica."))))*.