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