Perhaps you should try some spelling variations:
"serie policiaca publicad." » "serie politica publica.", "serie politica publicas.", "serie politicas publicad."
"series political public." » "series politicas public.", "serie politicas public.", "serie politica public.", "series politica publica.", "series politicas publicas.", "series politicas publicad."
"sobre politica publico." » "sobre politica publica.", "sobre politico publico.", "sobre politica publicas.", "sobre 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: (((("series political public.") or ("serie policiaca publicad."))) or ("sobre politica publico."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("series political public.") OR ("serie policiaca publicad."))) OR ("sobre politica publico."))*.
• Removing quotes may allow a broader search: (((( series political public. ) or ( serie policiaca publicad. ))) or ( sobre politica publico. ))*.