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

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