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 publica."
"teoria politica public." » "teoria critica public.", "historia politica public.", "ciencia politica public.", "teoria politico publico.", "teoria politicas publicas.", "teoria politicas publicad."

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: (((("teoria politica public.") OR ("sobre politica publicas."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( teoria politica public. ) or ( sobre politica publicas. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("teoria politica public.") or ("sobre politica publicas."))) or ("serie politica publica."))*.