Perhaps you should try some spelling variations:
their programming » their reprogramming (Expand search), theory programming (Expand search), the programming (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
python module » python code (Expand search)
module python » modulo python (Expand search), module method (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease not decrease their programming ) OR ( python module python python programming ))~.