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

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