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 pedagogico tradicional", "instituto pedagogicos tradicional", "instituto pedagogico institucional"
"instituto pedagogica nacional" » "institucion pedagogica nacional", "institutes pedagogical nacional", "instituto psicopedagogico nacional"
"instituto geologico regional" » "instituto tecnologico regional", "instituto oncologico regional", "instituto agroecologico regional", "instituto geologia regional", "instituto economico regional"
"instituto medico nacional" » "instituto tecnico nacional", "instituto credito nacional", "instituto codigo nacional"
"instituto unico nacional" » "instituto tecnico nacional", "instituto clinico nacional", "instituto andino nacional", "instituto unidad nacional", "instituto banco 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 neurologico nacional") or ("instituto pedagogico nacional"))) or ((((((("instituto unico nacional") OR ("instituto medico nacional"))) or ("instituto pedagogica nacional"))) or ("instituto geologico regional"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto neurologico nacional") OR ("instituto pedagogico nacional"))) OR ((((((("instituto unico nacional") OR ("instituto medico nacional"))) OR ("instituto pedagogica nacional"))) OR ("instituto geologico regional")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"instituto neurologico nacional\") or (\"instituto pedagogico nacional\"))) or (((((((\"instituto unico nacional\") OR (\"instituto medico nacional\"))) or (\"instituto pedagogica nacional\"))) or (\"instituto geologico regional\"))))".
• Removing quotes may allow a broader search: (((( instituto neurologico nacional ) or ( instituto pedagogico nacional ))) or ((((((( instituto unico nacional ) OR ( instituto medico nacional ))) or ( instituto pedagogica nacional ))) or ( instituto geologico regional )))).
• Adding a wildcard symbol may retrieve word variants: (((("instituto neurologico nacional") or ("instituto pedagogico nacional"))) or ((((((("instituto unico nacional") OR ("instituto medico nacional"))) or ("instituto pedagogica nacional"))) or ("instituto geologico regional"))))*.