Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publica.", "sobre politicos republica.", "sobre politicas publicasd.", "sobre politica publicad.", "sobre politicos republicad.", "serie politicas publicad."
"sobre politicas publica." » "sobre politicas publicas.", "sobre politica publica.", "sobre politicos republica.", "serie politicas publica."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "sobre 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 politicas publica.") or ("serie politica publicas."))) or ("sobre politicas publicad."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas publica.") OR ("serie politica publicas."))) OR ("sobre politicas publicad.")).
• Removing quotes may allow a broader search: (((( sobre politicas publica. ) or ( serie politica publicas. ))) or ( sobre politicas publicad. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publica.") or ("serie politica publicas."))) or ("sobre politicas publicad."))*.