Perhaps you should try some spelling variations:
esther blanco » esther blasco, esther laso
ediciones de » edicion de, condiciones de
blanco maria » blanco garcia, blanco martin, franco maria
de campos » de caminos, de cambios
campos la » campos de
labor paz » labor law
de campo » de cambio, el 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: (( medicina de campos la labor paz ; ) OR ( ediciones de campo esther blanco maria ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( medicina de campos la labor paz ; ) or ( ediciones de campo esther blanco maria ; ))*.