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