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