Perhaps you should try some spelling variations:
campus poder » campus de, cambio poder
ediciones de » edicion de, condiciones de
edicion del » medicion del, edicion de, medicion de
campos per » campos perez, campos super, campos de
campus per » campus de
del campus » el campus, del campo, del corpus
poder la » poder en, poder de, poder el

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