Perhaps you should try some spelling variations:
publicacion periodica » publicaciones periodicas
periodica instituto » juridica instituto
instituto biologico » instituto geologico, instituto biblico, instituto tecnologico
biologico y » biologicos y, biologica y, biologico de
y mineria » y miseria, la mineria, de mineria

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: publicacion periodica instituto biologico y mineria de espana ;*.