Perhaps you should try some spelling variations:
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politica public.", "serie politicas public."
"serie politica publica." » "serie politicas publicas.", "serie politica publicasa.", "serie politico publicoa.", "serie politicas publicasa.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"historia politica public." » "historia politica publicas.", "historia politico publico.", "historia politicas publicas.", "history 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: (((("historia politica public.") OR ("sobre politicas public."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( historia politica public. ) or ( sobre politicas public. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("historia politica public.") or ("sobre politicas public."))) or ("serie politica publica."))*.