Perhaps you should try some spelling variations:
campus poder » campus per, campus de, cambio poder
ediciones de » edicion de, condiciones de
campus peer » campus per, campos perez
poder juan » poder dual
de campus » del campus, de campos, de campo
juan rana » juan arana
peer en » leer en, pegler en, poder en

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 campus peer en paz ; ) or ( ediciones de campus poder juan rana ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ediciones de campus peer en paz ; ) OR ( ediciones de campus poder juan rana ; )).
• Adding a wildcard symbol may retrieve word variants: (( ediciones de campus peer en paz ; ) or ( ediciones de campus poder juan rana ; ))*.