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

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

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