Perhaps you should try some spelling variations:
decreased levels » increased levels (Expand search)
levels decrease » levels increase (Expand search), leaves decrease (Expand search), levels increased (Expand search)
noise processes » these processes (Expand search), like processes (Expand search), crime processes (Expand search)
decrease noise » decrease risk (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (Expand search)
based methods » based method (Expand search), mixed methods (Expand search), and methods (Expand search)
python based » action based (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decreased levels decrease noise processes ) OR ( python based methods python programming ))~.