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

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