Perhaps you should try some spelling variations:
campus poder » campus per, campus de, cambio poder
condicion de » condiciones de
campo perez » campos perez, camilo perez, crespo perez
medicion e » medicion de, medicion y, mediacion en
de campus » del campus, de campos, de campo
poder de » poder en
e campo » el campo, de campo, en campo
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: (( medicion e campo perez la pau ; ) or ( condicion de campus poder de paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion e campo perez la pau ; ) OR ( condicion de campus poder de paz ; )).
• Adding a wildcard symbol may retrieve word variants: (( medicion e campo perez la pau ; ) or ( condicion de campus poder de paz ; ))*.