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."
"serie politica publica." » "serie politicas publicas.", "serie politica publicasa.", "serie politico publicoa.", "serie politicas publicasa.", "serie politicas publica.", "serie policiaca publica."
"elite politica public." » "elite politica publicas.", "elite politico publico.", "elite politicas publicas.", "elites politicas public.", "etica politica public.", "entre politica public."

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