Perhaps you should try some spelling variations:
"instituto agroecologico nacional" » "instituto oncologico nacional", "instituto agroecologico natural", "instituto agroecologica hacia"
"instituto tecnologico nacional" » "instituto oncologico nacional", "instituto tecnico nacional", "instituto tecnologico nacionales"
"instituto pedagogico nacional" » "instituto oncologico nacional", "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogicos tradicional"
"instituto geologico nacional" » "instituto neurologico nacional", "instituto oncologico nacional", "instituto geografico nacional", "instituto geologico regional", "instituto economico 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 pedagogico nacional") OR ((("instituto agroecologico nacional") OR ("instituto geologico nacional"))))) OR ("instituto tecnologico nacional"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"instituto pedagogico nacional\") or (((\"instituto agroecologico nacional\") OR (\"instituto geologico nacional\"))))) or (\"instituto tecnologico nacional\"))~".
• Removing quotes may allow a broader search: (((( instituto pedagogico nacional ) or ((( instituto agroecologico nacional ) OR ( instituto geologico nacional ))))) or ( instituto tecnologico nacional ))~.
• Adding a wildcard symbol may retrieve word variants: (((("instituto pedagogico nacional") or ((("instituto agroecologico nacional") OR ("instituto geologico nacional"))))) or ("instituto tecnologico nacional"))*.