Perhaps you should try some spelling variations:
"instituto tecnologico nacional" » "instituto tecnico nacional", "instituto tecnologico nacionales", "instituto tecnologico relacionado"
"instituto geologico nacional" » "instituto neurologico nacional", "instituto agroecologico nacional", "instituto geografico nacional", "instituto geologico regional", "instituto economico nacional", "instituto geologica regional"
"instituto pedagogico nacional" » "instituto pedagogica nacional", "instituto pedagogico tradicional", "instituto pedagogicos tradicional"
"instituto economico regional" » "instituto tecnico regional", "estimulo economico regional", "instituto academico regional", "instituto economica regional", "instituto economia regional"
"instituto oncologico nacional" » "instituto ecologico nacional", "instituto oncologia nacional", "instituto deontologico 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 oncologico nacional") or ("instituto tecnologico nacional"))) or ((((("instituto geologico nacional") OR ("instituto pedagogico nacional"))) or ("instituto economico regional"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto oncologico nacional") OR ("instituto tecnologico nacional"))) OR ((((("instituto geologico nacional") OR ("instituto pedagogico nacional"))) OR ("instituto economico regional")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"instituto oncologico nacional\") or (\"instituto tecnologico nacional\"))) or (((((\"instituto geologico nacional\") OR (\"instituto pedagogico nacional\"))) or (\"instituto economico regional\"))))".
• Removing quotes may allow a broader search: (((( instituto oncologico nacional ) or ( instituto tecnologico nacional ))) or ((((( instituto geologico nacional ) OR ( instituto pedagogico nacional ))) or ( instituto economico regional )))).
• Adding a wildcard symbol may retrieve word variants: (((("instituto oncologico nacional") or ("instituto tecnologico nacional"))) or ((((("instituto geologico nacional") OR ("instituto pedagogico nacional"))) or ("instituto economico regional"))))*.