Perhaps you should try some spelling variations:
instituir geologico » instituto geologico, instituto tecnologico
publicaciones peri » publicaciones de, publicaciones seriadas, publicaciones periodicas
peri instituir » para instituir
geologico y » geologia y, biologico y, tecnologico y
mineral 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 geologico y ((minero de) or (((mineral de) OR (general de)))) espana ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: publicaciones peri instituir geologico y ((minero de) OR (((mineral de) OR (general de)))) espana ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "publicaciones peri instituir geologico y ((minero de) or (((mineral de) OR (general de)))) espana ;".
• Adding a wildcard symbol may retrieve word variants: publicaciones peri instituir geologico y ((minero de) or (((mineral de) OR (general de)))) espana ;*.