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