Perhaps you should try some spelling variations:
adicciones sin » adicciones a
campos isaac » campos oscar
condicion en » condiciones en, condicion del, conduccion en
sin campos » en campos, saz campos, con campos
isaac en » isaac al, isaac de, isaac j
en campo » el campo, un campo, del campo

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: (( adicciones sin campos isaac en paz ; ) OR ( condicion en campo de la paz ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( adicciones sin campos isaac en paz ; ) or ( condicion en campo de la paz ; ))*.