Perhaps you should try some spelling variations:
"elites politicas publica." » "elites politicas publicad.", "elites politica publica.", "elites politica publicas.", "limites politicos publica.", "ideas politicas publica.", "relaciones politicas publica.", "elites politicas publicada.", "elites politica publicaa.", "elites politica publicasa."
"serie politicas publicas." » "serie politicas publicads.", "serie politica publicas.", "serie politica publicass.", "serie politicas publicadas.", "serie politica publicaas.", "serie politica publicasas.", "serie policiaca publicas.", "serie politicas publico."
"las politicas public." » "las politicas publicad.", "las politica publica.", "las politica publicas."

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("elites politicas publica.") or ("las politicas public."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elites politicas publica.") OR ("las politicas public."))) OR ("serie politicas publicas.")).
• Removing quotes may allow a broader search: (((( elites politicas publica. ) or ( las politicas public. ))) or ( serie politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("elites politicas publica.") or ("las politicas public."))) or ("serie politicas publicas."))*.