Perhaps you should try some spelling variations:
ediciones del » ediciones de, edicion del, condiciones del
campos perez » campo perez, campos perales, campos mendez
medicion de » medicina de
del campos » del campo, de campos, del campus
perez case » perez caso, perez lease, perez yaser
de campo » de cambio, el campo
la pau » la paz

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( ediciones del campos perez case la ; ) OR ( medicion de campo de la pau ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( ediciones del campos perez case la ; ) or ( medicion de campo de la pau ; ))*.