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