Perhaps you should try some spelling variations:
"serie policiacas pabloas." » "serie politicas pablo.", "serie policiaca pabloas.", "serie politicas pabloas.", "series politicas pabloas."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "elite politica publica."

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

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