def METHOD_NAME(entity_type, term):
    """Proxy to search entities on remote server.
    Currently, we only search on MEF remote servers. If multiple remote sources
    are possible to search, a request must be sent to each remote API and
    all result must be unified into a common response.
    :param entity_type: The type of entities to search.
    :param term: the searched term.
    """
    try:
        return MEFProxyFactory.create_proxy(entity_type).search(term)
    except ValueError as err:
        abort(400, str(err))