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