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