Perhaps you should try some spelling variations:
medicion de » medicina de
campos del » campos de, campos el, campos e
de campos » de campo, de caminos, de cambios
campo del » campo de, campos de
campo en » campo de, campo y
del la » del lao, del las, del loa
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 campos del la pau ; ) or ( medicion de ((campo del) or (campo en)) la pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion de campos del la pau ; ) OR ( medicion de ((campo del) OR (campo en)) la pau ; )).
• Adding a wildcard symbol may retrieve word variants: (( edicion de campos del la pau ; ) or ( medicion de ((campo del) or (campo en)) la pau ; ))*.