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