Perhaps you should try some spelling variations:
cambios social » cambio social, cambios sociales, cambios socio
campo romero » campos romero, camino romero, campo lameiro
romero elena » romero tena, romero la, romero el
mediacion y » mediacion en
medicion de » medicina de
y cambios » y cambio
elena paz » elena pat, elena maza, elena diaz
de campo » de cambio, el campo
a pilar » ma pilar, m pilar, _ pilar

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: (( mediacion y cambios social a pilar ; ) OR ( medicion de campo romero elena paz ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( mediacion y cambios social a pilar ; ) or ( medicion de campo romero elena paz ; ))*.