Perhaps you should try some spelling variations:
instituto geologico » instituto tecnologico, instituto pedagogico
publicaciones peri » publicaciones de, publicaciones seriadas, publicaciones periodicas
instituto biblico » instituto publico, instituto biblioteca, institutos publicos
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: publicaciones peri ((instituto geologico) or (instituto biblico)) del mineral de espana ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: publicaciones peri ((instituto geologico) OR (instituto biblico)) del mineral de espana ;.
• Adding a wildcard symbol may retrieve word variants: publicaciones peri ((instituto geologico) or (instituto biblico)) del mineral de espana ;*.