Tran Đuc Thao (1917 - 1993) was a Vietnamese philosopher. His work (written primarily in French) attempted to unite phenomenology with Marxist philosophy. His work had some currency in France in the 1950s and 1960s, and was cited favorably by Jacques Derrida, Jean-Francois Lyotard and Louis Althusser. Tran Đuc Thao is a famous phenomenologist with an astute mindset capable of reflecting on the most complex problems of philosophy. His ideas span a wide range of issues, from philosophy to history, anthropology, biology, linguistics, literature, and religious studies. The issues he was interested in were also very essential contents of Marxist - Leninist philosophy, such as materialism, dialectics, ontology, epistemology and logic, with human issues directly related to the destiny and activities of people and society ... The collection of Tran Duc Thao (expected to be 3 volumes) includes the main works of Professor Tran Duc Thao from 1946 until his death. The book set is a valuable document, helps readers, especially researchers in the field of philosophy, to approach and learn systematically and comprehensively about the values of his philosophical ideas.