Perhaps you should try some spelling variations:
"sobre politica publica." » "sobre politicas publicas.", "sobre politica publicasa.", "sobre politico publicoa.", "sobre politicas publicasa.", "sobre politicas publica."
"elite politica publica." » "elite politicas publicas.", "elite politica publicasa.", "elite politico publicoa.", "elite politicas publicasa.", "elites politicas publica.", "etica politica publica.", "entre politica publica."
"serie politica public." » "serie politica publicas.", "serie politico publico.", "serie politicas publicas.", "serie politicas public.", "serie policiaca public."

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