Perhaps you should try some spelling variations:
"filosofia politica publicacions de." » "filosofia politica publicaciones de.", "filosofia politicas publicaciones de.", "filosofia poetica publicaciones de.", "filosofia politica publicacion de.", "filosofia politica publicacion del."
"filosofia etica publicaciones del." » "filosofia poetica publicaciones del.", "filosofia medica publicaciones del.", "filosofia bioetica publicaciones del.", "filosofia etica publicaciones de.", "filosofia etica publicaciones peri.", "filosofia etica publicacion de.", "filosofia antigua publicaciones del.", "filosofia espana publicaciones del."

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: (("filosofia etica publicaciones del.") or ("filosofia politica publicacions de."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("filosofia etica publicaciones del.") OR ("filosofia politica publicacions de.")).
• Removing quotes may allow a broader search: (( filosofia etica publicaciones del. ) or ( filosofia politica publicacions de. )).
• Adding a wildcard symbol may retrieve word variants: (("filosofia etica publicaciones del.") or ("filosofia politica publicacions de."))*.