Perhaps you should try some spelling variations:
adicciones un » adicciones en, adicciones sin, adicciones con
javier elvira » javier alva
caso javier » cano javier, caro javier, castro javier
edicion del » medicion del, edicion de, medicion de
elvira pau » elvira ma
del campos » del campo, de campos, del campus

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( adicciones un caso javier elvira pau ; ) OR ( edicion del campos de ((la pau) OR (la paz)) ; ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( adicciones un caso javier elvira pau ; ) or ( edicion del campos de ((la pau) OR (la paz)) ; ))~".
• Adding a wildcard symbol may retrieve word variants: (( adicciones un caso javier elvira pau ; ) or ( edicion del campos de ((la pau) OR (la paz)) ; ))*.