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