Perhaps you should try some spelling variations:
"ciencias sociais investigacion accion." » "ciencias social investigacion accion.", "ciencias sociales nvestigacion accion.", "ciencias sociales investigaciones accion.", "ciencias sociais investigacion en.", "ciencies socials investigacion accion.", "ciencia social investigacion accion.", "ciencas sociales investigacion accion."
"ciencias sociales investigacion accion." » "ciencias sociales investigacion en.", "ciencias social investigacion accion."

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 sociais investigacion accion."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ciencias sociales investigacion accion.") OR ("ciencias sociais investigacion accion."))*.
• Removing quotes may allow a broader search: (( ciencias sociales investigacion accion. ) or ( ciencias sociais investigacion accion. ))*.