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 economico nacional", "instituto colegio nacional"
"instituto geologico nacional" » "instituto tecnologico nacional", "instituto neurologico nacional", "instituto oncologico nacional", "instituto economico nacional", "instituto geologica regional"
"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 geologico nacional") OR ("instituto pedagogico nacional"))) or ("instituto geologico regional"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("instituto ecologico nacional") OR ((((("instituto geologico nacional") OR ("instituto pedagogico nacional"))) OR ("instituto geologico regional"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"instituto ecologico nacional\") or (((((\"instituto geologico nacional\") OR (\"instituto pedagogico nacional\"))) or (\"instituto geologico regional\"))))*".
• Removing quotes may allow a broader search: (( instituto ecologico nacional ) or ((((( instituto geologico nacional ) OR ( instituto pedagogico nacional ))) or ( instituto geologico regional ))))*.