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