Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publica.", "sobre politicos republica.", "sobre politicas publicasad.", "sobre politica publicaad.", "sobre politicas pabload.", "sobre politica publicad."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "sobre politica publicas.", "elite politica publicas."
"serie politicas public." » "serie politicas publicas.", "serie politica publica.", "serie politicas pablo.", "serie policiaca public.", "serie policiacas public.", "sobre politicas public.", "elite politicas public."

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: (((("sobre politicas publicad.") OR ("serie politica publicas."))) OR ("serie politicas public."))~.
• Removing quotes may allow a broader search: (((( sobre politicas publicad. ) or ( serie politica publicas. ))) or ( serie politicas public. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publicad.") or ("serie politica publicas."))) or ("serie politicas public."))*.