Perhaps you should try some spelling variations:
ediciones del » ediciones de, edicion del, condiciones del
edicion de » medicion de
caso peru » caso pedro, caso para, caso pet
del campo » el campo, de campo, del cambio
campo del » campo de, campos de, campo en
del la » del lao, del las, del loa
la pau » la paz
a pau » a paul, a 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 caso peru a pau ; ) or ( ediciones del campo del la pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion de caso peru a pau ; ) OR ( ediciones del campo del la pau ; )).
• Adding a wildcard symbol may retrieve word variants: (( edicion de caso peru a pau ; ) or ( ediciones del campo del la pau ; ))*.