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

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