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