Perhaps you should try some spelling variations:
their programming » their reprogramming (Expand search), theory programming (Expand search), the programming (Expand search)
python learning » action learning (Expand search), motion learning (Expand search), emotion learning (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
decrease may » decrease at (Expand search), decrease by (Expand search), decrease human (Expand search)
may decrease » may increase (Expand search), can decrease (Expand search), to decrease (Expand search)
paths python » pythons python (Expand search), pitons python (Expand search), python python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease may decrease their programming ) OR ( python learning paths python programming ))~.