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

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