Perhaps you should try some spelling variations:
crespo pedro » cerezo pedro, crespo perez
campo perez » campos perez, camilo perez, crespo perez
medicina j » medicina _, medicina d, medicina i
medicina a » medicina la, medicina _, medicina d
edicion y » edicion de
y campo » y campos, el campo, y cambio
pedro a » pedro de
a paz » la paz, ma paz, y 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: (( edicion y campo perez el pan ; ) OR ( ((medicina j) OR (medicina a)) crespo pedro a paz ; ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion y campo perez el pan ; ) or ( ((medicina j) OR (medicina a)) crespo pedro a paz ; ))~".
• Adding a wildcard symbol may retrieve word variants: (( edicion y campo perez el pan ; ) or ( ((medicina j) OR (medicina a)) crespo pedro a paz ; ))*.