Perhaps you should try some spelling variations:
"instituto neurologico nacional" » "instituto tecnologico nacional", "instituto oncologico nacional", "instituto geologico nacional", "instituto tecnologico nacionales"
"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 agroecologico nacional", "instituto economico nacional", "instituto geologico nacional"
"instituto colegio nacional" » "instituto oncologico nacional", "instituto copesal nacional", "antiguo colegio nacional", "instituto coleccion nacional"

Try widening your search to All Fields.

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