Perhaps you should try some spelling variations:
instrumento biologico » instrumento politico, instrumento pedagogico, instrumento didactico
publicacion de » publicaciones de, aplicacion de
de instrumento » de instrumentos, e instrumento, un instrumento
biologico de » biologica de, biologia de
de mineral » del mineral, de minerales, _ mineral
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 instrumento biologico de mineral de espana ;~.
• Adding a wildcard symbol may retrieve word variants: publicacion de instrumento biologico de mineral de espana ;*.