Perhaps you should try some spelling variations:
"instituto pedagogico nacional" » "instituto oncologico nacional", "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogicos tradicional"
"instituto ecologico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto neurologico nacional", "instituto geologico nacional", "instituto colegio nacional"
"instituto economico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto tecnico nacional", "instituto economia nacional", "instituto astronomico nacional", "instituto economico internacional"
"instituto economico regional" » "instituto tecnologico regional", "instituto oncologico regional", "instituto tecnico regional", "instituto economica regional", "instituto economia regional"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("instituto ecologico nacional") or ((((("instituto economico nacional") OR ("instituto economico regional"))) or ("instituto pedagogico nacional"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("instituto ecologico nacional") OR ((((("instituto economico nacional") OR ("instituto economico regional"))) OR ("instituto pedagogico nacional"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"instituto ecologico nacional\") or (((((\"instituto economico nacional\") OR (\"instituto economico regional\"))) or (\"instituto pedagogico nacional\"))))*".
• Removing quotes may allow a broader search: (( instituto ecologico nacional ) or ((((( instituto economico nacional ) OR ( instituto economico regional ))) or ( instituto pedagogico nacional ))))*.