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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sobre politica publico.") OR ("sobre politica publicas."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica publico.") OR ("sobre politica publicas."))) OR ("serie policiaca publica.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sobre politica publico.\") OR (\"sobre politica publicas.\"))) or (\"serie policiaca publica.\"))".
• Removing quotes may allow a broader search: (((( sobre politica publico. ) OR ( sobre politica publicas. ))) or ( serie policiaca publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica publico.") OR ("sobre politica publicas."))) or ("serie policiaca publica."))*.