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