Perhaps you should try some spelling variations:
"instituto pedagogico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogico social"
"instituto economico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto tecnico nacional", "instituto economia nacional", "instituto economico regional", "instituto astronomico nacional"
"instituto geologico nacional" » "instituto tecnologico nacional", "instituto neurologico nacional", "instituto oncologico nacional", "instituto geologica regional", "instituto geologico natural"
"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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto economico nacional") OR ((("instituto geologico nacional") OR ("instituto geologico regional"))))) OR ("instituto pedagogico nacional"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"instituto economico nacional\") or (((\"instituto geologico nacional\") OR (\"instituto geologico regional\"))))) or (\"instituto pedagogico nacional\"))~".
• Removing quotes may allow a broader search: (((( instituto economico nacional ) or ((( instituto geologico nacional ) OR ( instituto geologico regional ))))) or ( instituto pedagogico nacional ))~.
• Adding a wildcard symbol may retrieve word variants: (((("instituto economico nacional") or ((("instituto geologico nacional") OR ("instituto geologico regional"))))) or ("instituto pedagogico nacional"))*.