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