Perhaps you should try some spelling variations:
"instituto tecnologico nacionales" » "instituto tecnologicas regionales", "instituto tecnologias funcionales", "instituto oncologico nacional", "instituto oncologico nacionales", "instituto tecnico nacionales"
"instituto neurologico nacional" » "instituto oncologico nacional", "instituto geologico nacional", "instituto astronomico nacional"
"instituto pedagogico nacional" » "instituto oncologico nacional", "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogicos tradicional"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("instituto neurologico nacional") or ("instituto tecnologico nacionales"))) or ("instituto pedagogico nacional"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto neurologico nacional") OR ("instituto tecnologico nacionales"))) OR ("instituto pedagogico nacional")).
• Removing quotes may allow a broader search: (((( instituto neurologico nacional ) or ( instituto tecnologico nacionales ))) or ( instituto pedagogico nacional )).
• Adding a wildcard symbol may retrieve word variants: (((("instituto neurologico nacional") or ("instituto tecnologico nacionales"))) or ("instituto pedagogico nacional"))*.