Perhaps you should try some spelling variations:
publicaciones peridicas » publicaciones periodicas, publicaciones seriadas, publicacion periodica
peridicas instituto » juridica instituto, juridicos instituto, politicos instituto
instituto ideologia » instituto geologico
y mineria » la mineria, de mineria, y miserias
y miseria » y misterio

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: publicaciones peridicas instituto ideologia ((y mineria) OR (y miseria)) de espana ;~.
• Adding a wildcard symbol may retrieve word variants: publicaciones peridicas instituto ideologia ((y mineria) or (y miseria)) de espana ;*.