Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicasad.", "sobre politica publicaad.", "sobre politica publicasad.", "sobre politica publicad."
"serie politico publico." » "serie politica publica.", "serie politica publicas.", "serie politico republicano.", "serie politica publico.", "series political publico.", "series politicas publico."
"serie politicas public." » "serie politicas publicas.", "serie politica publica.", "serie politica publicas.", "serie policiaca 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: (("sobre politicas publicad.") or ((("serie politico publico.") or ("serie politicas public."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas publicad.") OR ((("serie politico publico.") OR ("serie politicas public.")))).
• Removing quotes may allow a broader search: (( sobre politicas publicad. ) or ((( serie politico publico. ) or ( serie politicas public. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politicas publicad.") or ((("serie politico publico.") or ("serie politicas public."))))*.