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 pablo." » "elites politicas pablo.", "etica politica pablo.", "entre politica pablo.", "elite politica para.", "elite colica pablo.", "elite politica al."

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