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