Complex sentence: Hermeneutic psychotherapy is an application of phenomenological hermeneutic philosophy as a whole, related to, but different from other forms of philosophical hermeneutics like biblical hermeneutics (limited to interpretation of sacred texts) or radical hermeneutics (the process of radical deconstruction of meaning).
Split into simpler sentences: Hermeneutic psychotherapy is an application of phenomenological hermeneutic philosophy as a whole. It is related to, but different from other forms of philosophical hermeneutics like biblical hermeneutics (limited to interpretation of sacred texts) or radical hermeneutics (the process of radical deconstruction of meaning).