Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"claves politicas public." » "las politicas public.", "elites politicas public.", "sociales politicas public.", "claves politicas publicas.", "claves politicas publicad.", "claves politica publicas."
"etica politica publica." » "etica politicas publicas.", "publica politica publica."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("claves politicas public.") or ("etica politica publica."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("claves politicas public.") OR ("etica politica publica."))) OR ("serie policiaca publica."))*.
• Removing quotes may allow a broader search: (((( claves politicas public. ) or ( etica politica publica. ))) or ( serie policiaca publica. ))*.