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."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "sobre politica publicas."
"sobre politicas pablo." » "sobre politica pablo.", "serie politicas pablo.", "sobre politicas para.", "sobre politicas paz."

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