Perhaps you should try some spelling variations:
instituto biologico » instituto geologico, instituto biblico, instituto tecnologico
publicacion de » aplicacion de
biologico del » biologicos del, biologico de, biologica del
del mineral » de mineral, del general, de minerales
mineral de » general de, mineria de, mineral y

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((publicacion de) or (publicaciones de)) instituto biologico del mineral de espana ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((publicacion de) OR (publicaciones de)) instituto biologico del mineral de espana ;.
• Adding a wildcard symbol may retrieve word variants: ((publicacion de) or (publicaciones de)) instituto biologico del mineral de espana ;*.