Perhaps you should try some spelling variations:
"las ciencies socials. tercera decada." » "las ciencias sociales. tercera decada.", "las ciencas sociales. tercera decada.", "las science social. tercera decada.", "las ciencias socials. tercera decada.", "les ciencies socials. tercera decada.", "las ciencas socials. tercera decada."
"atlas ciencia social. tercera decada." » "atlas ciencias sociales. tercera decada.", "atlas science social. tercera decada.", "atlas asistencia social. tercera decada.", "otras ciencias social. tercera decada.", "caldas ciencia social. tercera decada.", "las ciencias social. tercera decada."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("atlas ciencia social. tercera decada.") or ("las ciencies socials. tercera decada."))~.
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• Adding a wildcard symbol may retrieve word variants: (("atlas ciencia social. tercera decada.") or ("las ciencies socials. tercera decada."))*.