Perhaps you should try some spelling variations:
"instituto oncologico relacional" » "instituto oncologico nacional", "instituto ontologia relacional", "instituto logico relacional"
"institucion tecnica relacional" » "instituto tecnico relacional", "institucion publica relacional", "inspeccion tecnica relacional", "institucion mecanica relacional", "institucion tecnica relacionada", "institucion tecnica operacional"
"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: (((("institucion tecnica relacional") OR ("instituto oncologico relacional"))) OR ("instituto antonio regional"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"institucion tecnica relacional\") OR (\"instituto oncologico relacional\"))) OR (\"instituto antonio regional\"))".
• Removing quotes may allow a broader search: (((( institucion tecnica relacional ) OR ( instituto oncologico relacional ))) OR ( instituto antonio regional )).
• Adding a wildcard symbol may retrieve word variants: (((("institucion tecnica relacional") OR ("instituto oncologico relacional"))) OR ("instituto antonio regional"))*.