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