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