Perhaps you should try some spelling variations:
"ciencia sociales investigacion accion." » "ciencia sociales investigacion en.", "ciencias sociales investigacion accion.", "ciencia social investigacion accion.", "ciencas sociales investigacion accion."
"ciencias logica investigacion accion." » "ciencias logica investigacion en.", "ciencias eolica investigacion accion.", "ciencias clinica investigacion accion.", "ciencias foca investigacion accion.", "ciencias fisica investigacion accion.", "ciencias optica investigacion accion.", "ciencia magica 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: (("ciencia sociales investigacion accion.") or ("ciencias logica investigacion accion."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ciencia sociales investigacion accion.") OR ("ciencias logica investigacion accion.")).
• Removing quotes may allow a broader search: (( ciencia sociales investigacion accion. ) or ( ciencias logica investigacion accion. )).
• Adding a wildcard symbol may retrieve word variants: (("ciencia sociales investigacion accion.") or ("ciencias logica investigacion accion."))*.