Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politicas publicas.", "serie politicas publicad."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."
"series political public." » "series politicas public.", "serie politicas public.", "serie politica public.", "series politica publica.", "series politicas publicas.", "series politicas publicad."

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: (("series political public.") or ((("sobre politica publicas.") or ("serie policiaca publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("series political public.") OR ((("sobre politica publicas.") OR ("serie policiaca publica.")))).
• Removing quotes may allow a broader search: (( series political public. ) or ((( sobre politica publicas. ) or ( serie policiaca publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("series political public.") or ((("sobre politica publicas.") or ("serie policiaca publica."))))*.