Perhaps you should try some spelling variations:
"serie policiaca publicad." » "serie politicas publicad.", "serie politicas publicas."
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "sobre politica publicas.", "elite politica publicas."
"entre politica publica." » "entre politicas publicas.", "sobre politica publica."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca publicad.") OR ("serie politica publicas."))) OR ("entre politica publica."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie policiaca publicad.\") OR (\"serie politica publicas.\"))) or (\"entre politica publica.\"))~".
• Removing quotes may allow a broader search: (((( serie policiaca publicad. ) OR ( serie politica publicas. ))) or ( entre politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca publicad.") OR ("serie politica publicas."))) or ("entre politica publica."))*.