Perhaps you should try some spelling variations:
instituto biologico » instituto geologico, instituto tecnologico, instituto diplomatico
publicaciones del » publicaciones de, publicaciones peri, publicacion de
instituto biblico » instituto publico, instituto biblioteca, institutos publicos
mineral de » general de, mineria de, mineral y
y mineral » _ mineral, y minerales, de mineral

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

• Performing a fuzzy search may retrieve terms with similar spellings: publicaciones del ((instituto biologico) OR (instituto biblico)) y mineral de espana ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "publicaciones del ((instituto biologico) OR (instituto biblico)) y mineral de espana ;".
• Adding a wildcard symbol may retrieve word variants: publicaciones del ((instituto biologico) OR (instituto biblico)) y mineral de espana ;*.