Perhaps you should try some spelling variations:
"serie policiaca publico." » "serie politica publica.", "serie politico publico.", "serie oficial publico."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "sobre politica publicas.", "elite politica publicas."
"serie politica publico." » "serie politica publica.", "serie politico publico.", "serie politicas publicas.", "serie politicas publico.", "sobre politica publico.", "elite politica 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 policiaca publico.") OR ("serie politica publicas."))) or ("serie politica publico."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca publico.") OR ("serie politica publicas."))) OR ("serie politica publico.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie policiaca publico.\") OR (\"serie politica publicas.\"))) or (\"serie politica publico.\"))".
• Removing quotes may allow a broader search: (((( serie policiaca publico. ) OR ( serie politica publicas. ))) or ( serie politica publico. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca publico.") OR ("serie politica publicas."))) or ("serie politica publico."))*.