Please note that a comma symbol (,) is not permitted to be used in a study accession, because this symbol is used to separate study accessions when configuring access control.
It is possible to search for multiple technology types, for example, this will return all analyses which were genotyped using either by array or by sequencing:
GET /analyses/search?technology=GENOTYPING_BY_ARRAY&technology=GENOTYPING_BY_SEQUENCING