Perhaps you should try some spelling variations:
institutos tecnologias » instituto tecnologico
publicacions de » publicaciones de, publicacion de, publicaciones del
tecnologias de » tecnologia de
de institutos » e institutos, de instituto, del instituto
minero de » mineria de, mineral de
minera de » mineria de, mineral de, minerales de

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

• Performing a fuzzy search may retrieve terms with similar spellings: publicacions de institutos tecnologias de ((minero de) or (minera de)) espana ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: publicacions de institutos tecnologias de ((minero de) OR (minera de)) espana ;.
• Adding a wildcard symbol may retrieve word variants: publicacions de institutos tecnologias de ((minero de) or (minera de)) espana ;*.