Perhaps you should try some spelling variations:
carlos romero » carlos roberto
condicion de » condiciones de
medicion de » medicina de
de campos » de campo, de caminos, de cambios
loa paz » la paz, mora paz
de loa » de loja, de los, de log
la pau » la paz

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: (( condicion de campos de loa paz ; ) OR ( medicion de carlos romero la pau ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( condicion de campos de loa paz ; ) or ( medicion de carlos romero la pau ; ))*.