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