Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas."
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politica publicass.", "sobre politicas public.", "sobre politicas publico."
"serie policiaca pablo." » "serie politica pablo.", "serie politicas pablo."

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