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

Try widening your search to All Fields.

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

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