Perhaps you should try some spelling variations:
"instituto oncologico relacional" » "instituto oncologico nacional", "instituto ontologia relacional", "instituto logico relacional"
"instituto tecnico operacional" » "instituto tecnico operacion", "instituto tecnico internacional", "instituto tecnico nacional"
"instituto antonio regional" » "institution antonia regional", "instituto andino regional", "instituto manjon regional", "instituto sanitario regional", "instituto tectonico regional", "instituto estudio 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 tecnico operacional") or ("instituto oncologico relacional"))) or ("instituto antonio regional"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("instituto tecnico operacional") OR ("instituto oncologico relacional"))) OR ("instituto antonio regional")).
• Removing quotes may allow a broader search: (((( instituto tecnico operacional ) or ( instituto oncologico relacional ))) or ( instituto antonio regional )).
• Adding a wildcard symbol may retrieve word variants: (((("instituto tecnico operacional") or ("instituto oncologico relacional"))) or ("instituto antonio regional"))*.