Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas 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 publica.") OR ((("elites politicas public.") OR ("ideas politicas public."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie policiaca publica.\") or (((\"elites politicas public.\") OR (\"ideas politicas public.\"))))~".
• Removing quotes may allow a broader search: (( serie policiaca publica. ) or ((( elites politicas public. ) OR ( ideas politicas public. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("serie policiaca publica.") or ((("elites politicas public.") OR ("ideas politicas public."))))*.