Perhaps you should try some spelling variations:
"instituto tecnologico nacional" » "instituto tecnologica nacional", "instituto tecnologia nacional", "instituto tecnologias nacional"
"instituto tecnico nacional" » "instituto tecnica nacional", "instituto tecnicas nacional"
"instituto pedagogico nacional" » "instituto pedagogica nacional", "instituto pedagogia nacional"

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

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

One or more facet filters have been applied to this search. If you remove filters, you may retrieve more results. Remove all filters from this search.