Perhaps you should try some spelling variations:
edicion del » medicion del, edicion de, medicion de
medicion el » medicion del, mediacion el, medicion e
campo per » campo der, campo perez, campo para
del camp » del campo, del campus, del caso
poder la » poder de, poder el
el campo » el cambio, el camino
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: (( edicion del camp ((poder la) OR (poder en)) pau ; ) or ( medicion el campo per la pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion del camp ((poder la) OR (poder en)) pau ; ) OR ( medicion el campo per la pau ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion del camp ((poder la) OR (poder en)) pau ; ) or ( medicion el campo per la pau ; ))".
• Adding a wildcard symbol may retrieve word variants: (( edicion del camp ((poder la) OR (poder en)) pau ; ) or ( medicion el campo per la pau ; ))*.