Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicad.", "serie politico publico."
"serie politica publica." » "serie politicas publica.", "sobre politica publica.", "elite politica publica."
"las politicas publicas." » "las political publicas.", "las politicos publicas."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie politica publica.") or ("las politicas publicas."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("las politicas publicas."))) OR ("serie policiaca publica.")).
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( las politicas publicas. ))) or ( serie policiaca publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publica.") or ("las politicas publicas."))) or ("serie policiaca publica."))*.