Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"elites politicas public." » "limites politicos public.", "las politicas public.", "ideas politicas public.", "elites politicas publicas.", "elites politicas publicad.", "elites politica publicas."
"etica politica publica." » "etica politicas publicas.", "publica 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: (((("elites politicas public.") OR ("etica politica publica."))) OR ("serie policiaca publica."))~.
• Removing quotes may allow a broader search: (((( elites politicas public. ) or ( etica politica publica. ))) or ( serie policiaca publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elites politicas public.") or ("etica politica publica."))) or ("serie policiaca publica."))*.