Perhaps you should try some spelling variations:
"ciencias sociales investigacion accion." » "ciencias sociales investigacion en.", "ciencia sociales investigacion accion.", "ciencies socialses investigacion accion.", "ciencias sociaises investigacion accion."
"ciencias social investigacion accion." » "ciencias social investigacion en.", "ciencias foca investigacion accion.", "ciencias sociales investigaciones accion.", "ciencias sociologia investigacion accion.", "ciencia social investigacion accion.", "ciencies socials investigacion accion.", "ciencias sociais investigacion accion."

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: (("ciencias sociales investigacion accion.") OR ("ciencias social investigacion accion."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"ciencias sociales investigacion accion.\") OR (\"ciencias social investigacion accion.\"))".
• Removing quotes may allow a broader search: (( ciencias sociales investigacion accion. ) OR ( ciencias social investigacion accion. )).
• Adding a wildcard symbol may retrieve word variants: (("ciencias sociales investigacion accion.") OR ("ciencias social investigacion accion."))*.