Perhaps you should try some spelling variations:
"serie politica publicaa." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad.", "serie politicas publicasa.", "serie politicas publicaa.", "serie policiaca publicaa.", "elite politica publicaa."
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie policiaca public.", "serie politicas public.", "series politicas public."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas 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 politica publicaa.") OR ("sobre politica publica."))) OR ("serie policiacas public."))~.
• Removing quotes may allow a broader search: (((( serie politica publicaa. ) or ( sobre politica publica. ))) or ( serie policiacas public. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publicaa.") or ("sobre politica publica."))) or ("serie policiacas public."))*.