Contains the keyword Nothingness

Froese, K. (2004).  From Nihilism to Nothingness: - A - Comparison of Nietzschean and Daoist Thought. Dao: - A - Journal of Comparative Philosophy. 4(1), 97.
Nuyen, A. T. (2000).  The Dao of Ethics: - From the Writings of Levinas to the Daodejing. Journal of Chinese Philosophy. 27(3), 287.