Perhaps you should try some spelling variations:
"filosofia politicas publica el." » "filosofia politica publica el.", "filosofico politicas publica el.", "filosofico politica publica el.", "filosofia politicas publicas el.", "filosofia politicas publicad el.", "filosofia politicas publica en.", "filosofia politicas publica de."
"filosofico juridico republica el." » "filosofia juridica republica el.", "filosofico politico republica el.", "filosofico juridico publicas el.", "filosofico juridica publica el.", "filosofico criticos republica el.", "filosofico juridico republica en.", "filosofico juridico republica de.", "filosofico juridico republica y."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("filosofia politicas publica el.") or ("filosofico juridico republica el."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("filosofia politicas publica el.") OR ("filosofico juridico republica el.")).
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• Adding a wildcard symbol may retrieve word variants: (("filosofia politicas publica el.") or ("filosofico juridico republica el."))*.