Perhaps you should try some spelling variations:
"serie policiaca publicaa." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"serie politica publicaa." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas.", "serie politica publicaaa.", "serie politica publicasaa.", "serie politico publicoaa.", "serie politicas publicaa.", "elite politica publicaa."
"sobre politica public." » "sobre politica publica.", "sobre politica publicas.", "sobre politico publico.", "sobre politicas 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: (("sobre politica public.") or ((("serie politica publicaa.") OR ("serie policiaca publicaa."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politica public.") OR ((("serie politica publicaa.") OR ("serie policiaca publicaa.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sobre politica public.\") or (((\"serie politica publicaa.\") OR (\"serie policiaca publicaa.\"))))".
• Removing quotes may allow a broader search: (( sobre politica public. ) or ((( serie politica publicaa. ) OR ( serie policiaca publicaa. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politica public.") or ((("serie politica publicaa.") OR ("serie policiaca publicaa."))))*.