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