Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicad."
"ideas politicas public." » "ideas politicas publicad.", "ideas politica publica.", "ideas politica publicas.", "las politicas public.", "ideologias politicas public."
"serie politicas publicas." » "serie politicas publicadas.", "serie politica publicaas.", "serie politica publicasas.", "serie politicas publico."

Try widening your search to All Fields.

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

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