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 neurologico nacional" » "instituto oncologico nacional", "instituto tecnologico nacionales", "instituto astronomico nacional"
"instituto pedagogico nacional" » "instituto oncologico nacional", "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogicos tradicional"
"instituto geologico 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 tecnologico nacional") OR ("instituto agroecologico nacional"))) OR ((("instituto neurologico nacional") OR ("instituto pedagogico nacional"))))) OR ("instituto geologico nacional"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"instituto tecnologico nacional\") or (\"instituto agroecologico nacional\"))) or (((\"instituto neurologico nacional\") OR (\"instituto pedagogico nacional\"))))) or (\"instituto geologico nacional\"))~".
• Removing quotes may allow a broader search: (((((( instituto tecnologico nacional ) or ( instituto agroecologico nacional ))) or ((( instituto neurologico nacional ) OR ( instituto pedagogico nacional ))))) or ( instituto geologico nacional ))~.
• Adding a wildcard symbol may retrieve word variants: (((((("instituto tecnologico nacional") or ("instituto agroecologico nacional"))) or ((("instituto neurologico nacional") OR ("instituto pedagogico nacional"))))) or ("instituto geologico nacional"))*.