Perhaps you should try some spelling variations:
credo pedro » cerezo pedro, crespo pedro, prado pedro
edicion y » edicion de
y campos » y cambios, de campos
de credo » del credo, de crudo, du credo
pedro a » pedro de
per el » per al, per il, poder el
ser el » ser en
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 campos ((per el) OR (ser el)) pan ; ) OR ( medicina de credo pedro a paz ; ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion y campos ((per el) OR (ser el)) pan ; ) or ( medicina de credo pedro a paz ; ))~".
• Adding a wildcard symbol may retrieve word variants: (( edicion y campos ((per el) OR (ser el)) pan ; ) or ( medicina de credo pedro a paz ; ))*.