Perhaps you should try some spelling variations:
"sobre politicas pablo." » "sobre politica pablo.", "serie politicas pablo.", "sobre politicas para.", "sobre politicas paz."
"elite politicas publicas." » "elites politicas publicas.", "elite politica publicas.", "elite politico publicas.", "elite politicas public.", "elite politicas publico."
"serie politica publica." » "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."

You may be able to get more results by adjusting your search query.

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