Perhaps you should try some spelling variations:
"instituto tecnologico regional" » "instituto oncologico regional", "instituto tecnico regional", "instituto pedagogico regional", "instituto tecnologicas regionales", "instituto tectonico regional", "instituto tecnologico relacionado"
"instituto economico nacional" » "instituto oncologico nacional", "instituto tecnico nacional", "estimulo economico nacional", "instituto economia nacional", "instituto economico regional", "instituto astronomico nacional"
"instituto geologico regional" » "instituto neurologico regional", "instituto oncologico regional", "instituto agroecologico regional", "instituto geologia regional", "instituto economico regional"

You may be able to get more results by adjusting your search query.

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