The Vietnamese word "chủ nghĩa" translates to "doctrine" or "-ism" in English. It is used to describe a set of beliefs, principles, or a philosophy that guides a particular way of thinking or acting. You will often see it used in various contexts, especially in political, economic, or philosophical discussions.
While "chủ nghĩa" primarily refers to doctrines or ideologies, it can also imply a strong commitment to a particular belief system or practice.