Perhaps you should try some spelling variations:
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publicas.", "serie policiaca public."
"series politica publica." » "series politicas publicas.", "series political publica.", "series politicas publica.", "serie politica publica."
"crisis politica publico." » "crisis politico publico.", "crisis politica publicas.", "crisis politicas 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 politicas public.") or ((("series politica publica.") or ("crisis politica publico."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politicas public.") OR ((("series politica publica.") OR ("crisis politica publico.")))).
• Removing quotes may allow a broader search: (( serie politicas public. ) or ((( series politica publica. ) or ( crisis politica publico. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politicas public.") or ((("series politica publica.") or ("crisis politica publico."))))*.