Perhaps you should try some spelling variations:
"serie policiaca publico." » "serie politica publica.", "serie politico publico.", "serie politica publicas."
"elites politicas public." » "limites politicos public.", "las politicas public.", "relaciones politicas public.", "elites politicas publicas.", "elites politicas publicad.", "elites politica publica."
"ideas politicas public." » "ideas politicas publicas.", "ideas politicas publicad.", "ideas politica publica.", "las politicas public.", "ideologias politicas public."

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: (("serie policiaca publico.") OR ((("elites politicas public.") OR ("ideas politicas public."))))~.
• Removing quotes may allow a broader search: (( serie policiaca publico. ) or ((( elites politicas public. ) or ( ideas politicas public. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("serie policiaca publico.") or ((("elites politicas public.") or ("ideas politicas public."))))*.