Perhaps you should try some spelling variations:
camilo perez » castillo perez, calvo perez, castro perez
campo perez » campos perez, crespo perez, amparo perez
edicion del » medicion del, medicion de, ediciones de
campo ester » campo esther, campelo esther, campos lesther
edicion de » medicion de
del campo » el campo, de campo, del cambio
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 ((campo perez) OR (camilo perez)) la pau ; ) or ( edicion del campo ester la pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion de ((campo perez) OR (camilo perez)) la pau ; ) OR ( edicion del campo ester la pau ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( edicion de ((campo perez) OR (camilo perez)) la pau ; ) or ( edicion del campo ester la pau ; ))".
• Adding a wildcard symbol may retrieve word variants: (( edicion de ((campo perez) OR (camilo perez)) la pau ; ) or ( edicion del campo ester la pau ; ))*.