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 economico regional", "instituto astronomico nacional"
"instituto geologico regional" » "instituto tecnologico regional", "instituto neurologico regional", "instituto oncologico regional", "instituto geologia regional", "instituto economico 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 pedagogico nacional"))) or ((("instituto economico nacional") or ("instituto geologico regional"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto ecologico nacional") OR ("instituto pedagogico nacional"))) OR ((("instituto economico nacional") OR ("instituto geologico regional")))).
• Removing quotes may allow a broader search: (((( instituto ecologico nacional ) or ( instituto pedagogico nacional ))) or ((( instituto economico nacional ) or ( instituto geologico regional )))).
• Adding a wildcard symbol may retrieve word variants: (((("instituto ecologico nacional") or ("instituto pedagogico nacional"))) or ((("instituto economico nacional") or ("instituto geologico regional"))))*.