Perhaps you should try some spelling variations:
campos perez » campo perez, campos perales, campos mendez
crespo pedro » cerezo pedro, crespo perez
medicina a » medicina la, medicina _, medicina d
edicion y » edicion de
y campos » y cambios, de campos
a crespo » j crespo, ana crespo, a cristo
pedro la » pedro a, pedro l, pedro da

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: (( edicion y campos perez el pan ; ) OR ( medicina a crespo pedro la paz ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( edicion y campos perez el pan ; ) or ( medicina a crespo pedro la paz ; ))*.