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