Perhaps you should try some spelling variations:
campos perez » campos perales, campos mendez, campos egea
crespo pedro » cerezo pedro, crespo perez
campo perez » camilo perez, crespo perez, amparo perez
edicion y » edicion de
de crespo » de cristo, a crespo, de cresta
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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( edicion y ((campos perez) OR (campo perez)) el pan ; ) or ( medicina de crespo pedro a paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion y ((campos perez) OR (campo perez)) el pan ; ) OR ( medicina de crespo pedro a paz ; ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion y ((campos perez) OR (campo perez)) el pan ; ) or ( medicina de crespo pedro a paz ; ))*".