Perhaps you should try some spelling variations:
"instituto tecnologico regional" » "instituto tecnico regional", "instituto geologico regional", "instituto tecnologicas regionales", "instituto tectonico regional"
"instituto ecologico nacional" » "instituto neurologico nacional", "instituto agroecologico nacional", "instituto clinico nacional", "instituto geologico nacional", "instituto colegio nacional", "instituto economica nacional"
"instituto pedagogico nacional" » "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogicos tradicional"
"instituto economico nacional" » "instituto tecnico nacional", "estimulo economico nacional", "instituto academico nacional", "instituto economia nacional", "instituto economico regional", "instituto astronomico nacional"
"instituto oncologico nacional" » "instituto oncologia nacional", "instituto deontologico nacional"

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 oncologico nacional"))))) or ("instituto tecnologico 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 oncologico nacional"))))) OR ("instituto tecnologico regional"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"instituto ecologico nacional\") OR (\"instituto pedagogico nacional\"))) or (((\"instituto economico nacional\") or (\"instituto oncologico nacional\"))))) or (\"instituto tecnologico regional\"))*".
• Removing quotes may allow a broader search: (((((( instituto ecologico nacional ) OR ( instituto pedagogico nacional ))) or ((( instituto economico nacional ) or ( instituto oncologico nacional ))))) or ( instituto tecnologico regional ))*.