Perhaps you should try some spelling variations:
"series politicas publico." » "series politicas publicas.", "series politicas publicad.", "series politica publica.", "serie politicas publico.", "series political publico.", "serie politica publico."
"serie policiaca public." » "serie politica publica.", "serie politica publicas.", "serie politico publico."
"crisis politica publico." » "crisis politica publica.", "crisis politico publico.", "crisis politica publicas."

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