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

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