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