Perhaps you should try some spelling variations:
"instituto astronomico nacional" » "institucional gastronomico nacional", "instituto antonio nacional"
"instituto neurologico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto pedagogico nacional", "instituto tecnologico nacionales", "instituto economico nacional"
"instituto ecologico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto agroecologico nacional", "instituto economico nacional", "instituto colegio nacional"
"instituto geologico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto agroecologico nacional", "instituto geologico regional", "instituto pedagogico nacional"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto ecologico nacional") OR ((("instituto astronomico nacional") OR ("instituto neurologico nacional"))))) OR ("instituto geologico nacional"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"instituto ecologico nacional\") or (((\"instituto astronomico nacional\") OR (\"instituto neurologico nacional\"))))) or (\"instituto geologico nacional\"))~".
• Removing quotes may allow a broader search: (((( instituto ecologico nacional ) or ((( instituto astronomico nacional ) OR ( instituto neurologico nacional ))))) or ( instituto geologico nacional ))~.
• Adding a wildcard symbol may retrieve word variants: (((("instituto ecologico nacional") or ((("instituto astronomico nacional") OR ("instituto neurologico nacional"))))) or ("instituto geologico nacional"))*.