Perhaps you should try some spelling variations:
"serie politicas publicad." » "serie politicas publicas.", "serie politica publica.", "serie politica publicas.", "serie politicas publicasad.", "serie politica publicaad.", "serie politica publicasad."
"serie policiaca public." » "serie politica publica.", "serie politica publicas.", "serie politico publico."
"sobre politicas public." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicas.", "sobre politica public."

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