Perhaps you should try some spelling variations:
"entre politica publicas." » "entre politicas publicas.", "entre politica publicaciones.", "entre politicas publicass.", "sobre politica publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite politica publica."
"serie policiaca public." » "serie politico publico."

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