Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicad."
"serie politicas public." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas."
"series politicas publicas." » "series politicas publicadas.", "series politica publicaas.", "series politica publicasas.", "series political publicas.", "serie politica publicas.", "especies politicas publicas.", "series 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: (((("serie politicas public.") or ("serie policiaca publica."))) or ("series politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas public.") OR ("serie policiaca publica."))) OR ("series politicas publicas.")).
• Removing quotes may allow a broader search: (((( serie politicas public. ) or ( serie policiaca publica. ))) or ( series politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas public.") or ("serie policiaca publica."))) or ("series politicas publicas."))*.