Perhaps you should try some spelling variations:
seriadas instrumento » sociales instrumentos, agrarias instrumento, serie instrumentos
medicas instrumentos » medical instruments, medicina instrumentos, tecnicas instrumentos
pedagogico de » pedagogia 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: publicaciones ((seriadas instrumento) OR (medicas instrumentos)) pedagogico de mineral de espana ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "publicaciones ((seriadas instrumento) OR (medicas instrumentos)) pedagogico de mineral de espana ;".
• Adding a wildcard symbol may retrieve word variants: publicaciones ((seriadas instrumento) OR (medicas instrumentos)) pedagogico de mineral de espana ;*.