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

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

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