Perhaps you should try some spelling variations:
"serie policiaca public." » "serie politica publicas.", "serie politico publico."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite politica publica."
"serie exilio republicano." » "ette exilio republicano.", "levil exilio republicano.", "medio exilio republicano.", "serie exilio republica."

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 publica."))) or ("serie exilio republicano."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca public.") OR ("serie politica publica."))) OR ("serie exilio republicano.")).
• Removing quotes may allow a broader search: (((( serie policiaca public. ) or ( serie politica publica. ))) or ( serie exilio republicano. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca public.") or ("serie politica publica."))) or ("serie exilio republicano."))*.