Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publicas.", "sobre politicos republica.", "sobre politica publicad.", "serie politicas publicad."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"serie politica pablo." » "serie politicas pablo.", "serie policiaca pablo.", "sobre politica pablo.", "serie politica para.", "serie colica pablo.", "serie politica al."

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