Perhaps you should try some spelling variations:
medicion de » medicina de
campo saban » campo urbano
accion del » accion de, accion en
caminos de » camino de
del campo » el campo, de campo, del cambio
saban y » sabaco y, sabado y, sabana o
y paul » y paula

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( accion del campo saban y paul ; ) OR ( medicion de caminos de ((la pau) OR (la paz)) ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( accion del campo saban y paul ; ) or ( medicion de caminos de ((la pau) or (la paz)) ; ))*.