Perhaps you should try some spelling variations:
morelos perez » moreno perez, morales perez, merlos perez
certeza pedro » cerezo pedro, cerda pedro, carmena pedro
edicion de » medicion de
de certeza » de cerveza, de corteza, de cortezas
de morelos » de modelos, de modelo
pedro dy » pedro de, pedro da, pedro d
dy paz » de paz, y paz
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 de certeza pedro dy paz ; ) or ( edicion de morelos perez a paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion de certeza pedro dy paz ; ) OR ( edicion de morelos perez a paz ; )).
• Adding a wildcard symbol may retrieve word variants: (( edicion de certeza pedro dy paz ; ) or ( edicion de morelos perez a paz ; ))*.