Talvez debería tentar con algunhas variantes ortográficas:
instancias » instancia (Expandir procura)
academicos." » academicaos." (Expandir procura), academiaos." (Expandir procura)
academic." » academica." (Expandir procura), academia." (Expandir procura)
academico." » academicao." (Expandir procura), academiao." (Expandir procura)
academiaos." » academias." (Expandir procura), academicals." (Expandir procura), academia." (Expandir procura)

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• Performing a fuzzy search may retrieve terms with similar spellings: "(sustancias OR instancias) (((academicos." OR academic.") OR academico.") OR academiaos.")~.
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• Adding a wildcard symbol may retrieve word variants: "(sustancias OR instancias) (((academicos." OR academic.") OR academico.") OR academiaos.")*.