Perhaps you should try some spelling variations:
condiciones a » condiciones _, condiciones y, condiciones e
condicion de » condiciones de
acosta perez » acosta lopez
crespo perez » ernesto perez, cueto perez, crespo pedro
de acosta » de costa
a crespo » j crespo, ana crespo, a cristo

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 acosta perez la pau ; ) OR ( condiciones a crespo perez la paz ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( condicion de acosta perez la pau ; ) or ( condiciones a crespo perez la paz ; ))*.