Perhaps you should try some spelling variations:
"sobre politica publicasas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politicas republicanas.", "sobre politicas publicasas.", "sobre politica publicaas.", "sobre politica publicacionesas."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "elite politica publicas."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public.", "serie policiacas public.", "elite politicas public."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("serie politicas public.") or ((("sobre politica publicasas.") or ("serie politica publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politicas public.") OR ((("sobre politica publicasas.") OR ("serie politica publicas.")))).
• Removing quotes may allow a broader search: (( serie politicas public. ) or ((( sobre politica publicasas. ) or ( serie politica publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politicas public.") or ((("sobre politica publicasas.") or ("serie politica publicas."))))*.