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