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Last tested: Mar 9, 2020
No. The search_dashboards() endpoint doesn't return LookML dashboards at all, even if we input the space_id of lookml as a parameter. It will return a 200 in the interactive API docs, but the response body is an empty array [].
As a workaround, you should be able to use the get_space api endpoint to achieve the result you want (e.g. something like get_space('lookml'). The space that is returned should have a dashboards field with all the lookml dashboards in it.
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