Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"elite politica publicas." » "elite politicas publicas.", "elite politica publicaciones.", "elite politicas publicass.", "elites politicas publicas.", "etica politica publicas.", "entre politica publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca 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: (((("sobre politica publicas.") or ("elite politica publicas."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica publicas.") OR ("elite politica publicas."))) OR ("serie politica publica.")).
• Removing quotes may allow a broader search: (((( sobre politica publicas. ) or ( elite politica publicas. ))) or ( serie politica publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica publicas.") or ("elite politica publicas."))) or ("serie politica publica."))*.