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