Perhaps you should try some spelling variations:
"instituto pedagogico nacional" » "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogicos tradicional"
"instituto geologia regional" » "instituto genova regional", "instituto tecnologico regional", "instituto neurologico regional", "instituto economia regional"
"instituto colegio nacional" » "instituto copesal nacional", "antiguo colegio nacional", "instituto clinico nacional", "instituto coleccion nacional"
"instituto oncologico nacional" » "instituto ecologico 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 colegio nacional") OR ("instituto oncologico nacional"))) or ((("instituto geologia regional") or ("instituto pedagogico nacional"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto colegio nacional") OR ("instituto oncologico nacional"))) OR ((("instituto geologia regional") OR ("instituto pedagogico nacional"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"instituto colegio nacional\") OR (\"instituto oncologico nacional\"))) or (((\"instituto geologia regional\") or (\"instituto pedagogico nacional\"))))*".
• Removing quotes may allow a broader search: (((( instituto colegio nacional ) OR ( instituto oncologico nacional ))) or ((( instituto geologia regional ) or ( instituto pedagogico nacional ))))*.