Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publica.", "sobre politicos republica.", "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 publico." » "serie politicas publicas.", "serie politica publica.", "serie politico publico.", "serie policiaca publico.", "serie policiacas publico.", "sobre politicas publico.", "elite politicas publico."

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