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