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