Perhaps you should try some spelling variations:
campos mendez » ramos mendez, carlos mendez, campos manuel
adicciones a » adiciones a, adiccion a, adiciones al
medicion de » medicina de
del plata » de plata, del plan
de campos » de campo, de caminos, de cambios
mendez de » mendez el, mendez la, mendez b
a cambio » al cambio, y cambio, o cambio
de paul » de paula, de pablo

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( adicciones a cambio de del plata ; ) or ( medicion de campos mendez de paul ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( adicciones a cambio de del plata ; ) OR ( medicion de campos mendez de paul ; )).
• Adding a wildcard symbol may retrieve word variants: (( adicciones a cambio de del plata ; ) or ( medicion de campos mendez de paul ; ))*.