Perhaps you should try some spelling variations:
"la ciencies socials. tercera decada." » "la ciencias sociales. tercera decada.", "la ciencas sociales. tercera decada.", "la science social. tercera decada.", "la ciencias socials. tercera decada.", "les ciencies socials. tercera decada.", "la ciencia 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."

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: (("la ciencies socials. tercera decada.") or ("atlas ciencia social. tercera decada."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("la ciencies socials. tercera decada.") OR ("atlas ciencia social. tercera decada.")).
• Removing quotes may allow a broader search: (( la ciencies socials. tercera decada. ) or ( atlas ciencia social. tercera decada. )).
• Adding a wildcard symbol may retrieve word variants: (("la ciencies socials. tercera decada.") or ("atlas ciencia social. tercera decada."))*.