Perhaps you should try some spelling variations:
"serie policiacas publicas." » "serie politicas publicas.", "serie politica publicas.", "serie politicas publicad.", "serie policiaca publicas.", "series politicas publicas."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publicas.", "serie policiaca publica."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."

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