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