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