Perhaps you should try some spelling variations:
crespo perez » ernesto perez, cueto perez, crespo pedro
edicion de » medicion de
de crespo » de cristo, a crespo, de cresta
del campo » de campo, del cambio
el campo » el cambio, el camino
ester la » este la, eter la, ester alba
la pau » la 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 crespo perez la pau ; ) or ( medicion ((del campo) OR (el campo)) ester la pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion de crespo perez la pau ; ) OR ( medicion ((del campo) OR (el campo)) ester la pau ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion de crespo perez la pau ; ) or ( medicion ((del campo) OR (el campo)) ester la pau ; ))".
• Adding a wildcard symbol may retrieve word variants: (( edicion de crespo perez la pau ; ) or ( medicion ((del campo) OR (el campo)) ester la pau ; ))*.