Why Sociology of Knowledge not Concluded in Sociology of Scientific Knowledge?

Why did sociology of knowledge could not show the relationship between scientific theories and the social context within which it arises? What prompted Thomas Kuhn toward sociology of scientific knowledge?
The method of this research is ducumantry- analytical using sociology of knowledge, philosophy of science and sociology of scientific knowledge texts for answering the questions.
Results and The author of the present article concluded that sociology of knowledge could not show the relationship between scientific theories and the social context because the conception of science from sociological point of view is positivistic; while Thomas Kuhn -influenced by Wittgenstein and his nonposivistic view - was able to show the possibility of sociology of scientific knowledge for the first time.