Perhaps you should try some spelling variations:
"serie policiaca publicad." » "serie politica publicas.", "serie politicas publicad.", "serie politicas publicas."
"crises political public." » "crisis politica public.", "crisis politicas public.", "artists political public.", "crises politicas publicas.", "crises politicas publicad.", "crises politica publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite politica publica."

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