Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite politica publica."
"serie politica pablo." » "serie politicas pablo.", "sobre politica pablo.", "elite politica pablo.", "serie politica para.", "serie colica pablo.", "serie politica al."

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 politica publica.") or ("serie policiaca publicas."))) or ("serie politica pablo."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("serie policiaca publicas."))) OR ("serie politica pablo.")).
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( serie policiaca publicas. ))) or ( serie politica pablo. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publica.") or ("serie policiaca publicas."))) or ("serie politica pablo."))*.