Perhaps you should try some spelling variations:
"elite politica publicas." » "elite politicas publicas.", "elite politica publica.", "elite politica publicaciones.", "elites politicas publicas.", "etica politica publicas.", "entre politica publicas."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"sobre politicas pablo." » "sobre politica pablo.", "sobre politicas para.", "sobre politicas paz."

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: (((("elite politica publicas.") or ("sobre politicas pablo."))) or ("serie politicas publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elite politica publicas.") OR ("sobre politicas pablo."))) OR ("serie politicas publica.")).
• Removing quotes may allow a broader search: (((( elite politica publicas. ) or ( sobre politicas pablo. ))) or ( serie politicas publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("elite politica publicas.") or ("sobre politicas pablo."))) or ("serie politicas publica."))*.