Perhaps you should try some spelling variations:
instituir tecnologica » instituto tecnologico
publicaciones peri » publicaciones de, publicaciones seriadas, publicaciones periodicas
peri instituir » para instituir
tecnologica en » tecnologia en, tecnologica de, tecnologia e
mineral de » general de, mineria de, mineral y
minero de » minera de, mineria de

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 instituir tecnologica en ((minero de) or (mineral de)) espana ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: publicaciones peri instituir tecnologica en ((minero de) OR (mineral de)) espana ;.
• Adding a wildcard symbol may retrieve word variants: publicaciones peri instituir tecnologica en ((minero de) or (mineral de)) espana ;*.