When searching for synonyms for the phrase "principles of finance," many options come to mind. Some examples include the basics of financial management, the fundamentals of fiscal theory, or the essential principles of monetary theory. Other similar phrases might include the elements of financial planning, the cornerstones of financial strategy, or the foundations of fiscal policy. Still more options could include phrases like the core principles of economic management, the underlying tenets of financial analysis, or the guiding principles of monetary economics. Ultimately, the specific phrasing used will depend on the context and audience, but these are just a few of the many potential alternatives.