Complex sentence: Further criticism has been stemmed for causing labor shortages in various skilled labor and vocational occupations, where many of which go unfilled as the negative social stigma associated with vocational careers and not having a university degree continues to remain deep-rooted in South Korean society.
Split into simpler sentences: Further criticism has been stemmed for causing labor shortages in various skilled labor and vocational occupations, where many of which go unfilled. The social stigma associated with vocational careers and not having a university degree continue to remain deep-rooted in South Korean society.