Perhaps you should try some spelling variations:
"instituto tecnologico nacional" » "instituto oncologico nacional", "instituto tecnico nacional", "instituto pedagogico nacional", "instituto tecnologico nacionales"
"instituto neurologico nacional" » "instituto oncologico nacional", "instituto pedagogico nacional", "instituto tecnologico nacionales", "instituto astronomico nacional"
"instituto geologico nacional" » "instituto oncologico nacional", "instituto agroecologico nacional", "instituto pedagogico nacional", "instituto economico nacional"
"instituto geologico regional" » "instituto oncologico regional", "instituto agroecologico regional", "instituto pedagogico regional", "instituto geologia regional", "instituto economico regional"
"instituto copesal nacional" » "instituto forestal nacional", "instituto hospital nacional", "instituto empresa 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 copesal nacional") or ((((((("instituto geologico nacional") OR ("instituto tecnologico nacional"))) or ("instituto geologico regional"))) or ("instituto neurologico nacional"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("instituto copesal nacional") OR ((((((("instituto geologico nacional") OR ("instituto tecnologico nacional"))) OR ("instituto geologico regional"))) OR ("instituto neurologico nacional"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"instituto copesal nacional\") or (((((((\"instituto geologico nacional\") OR (\"instituto tecnologico nacional\"))) or (\"instituto geologico regional\"))) or (\"instituto neurologico nacional\"))))*".
• Removing quotes may allow a broader search: (( instituto copesal nacional ) or ((((((( instituto geologico nacional ) OR ( instituto tecnologico nacional ))) or ( instituto geologico regional ))) or ( instituto neurologico nacional ))))*.