Perhaps you should try some spelling variations:
ediciones de » edicion de, condiciones de
medicion de » medicina de
campo per » campo der, campo perez, campo para
campo del » campo de, campos de, campo en
de campo » de cambio, el campo
campo y » campo de
per la » poder la
la pau » la paz

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ediciones de campo per la pau ; ) or ( medicion de ((campo del) or (campo y)) la pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ediciones de campo per la pau ; ) OR ( medicion de ((campo del) OR (campo y)) la pau ; )).
• Adding a wildcard symbol may retrieve word variants: (( ediciones de campo per la pau ; ) or ( medicion de ((campo del) or (campo y)) la pau ; ))*.