Perhaps you should try some spelling variations:
campus poder » campus de, cambio poder
mediacion y » mediacion en
campus per » campus de
edicion de » medicion de
campo para » camino para
de campo » de cambio, el campo
el pau » el pan, el par, el pas

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( mediacion y ((campus poder) OR (campus per)) el pau ; ) or ( edicion de campo para la paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( mediacion y ((campus poder) OR (campus per)) el pau ; ) OR ( edicion de campo para la paz ; ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mediacion y ((campus poder) OR (campus per)) el pau ; ) or ( edicion de campo para la paz ; ))*".