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