Perhaps you should try some spelling variations:
on programming » in programming (Expand search), cone programming (Expand search), and programming (Expand search)
python script » python scrum (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (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)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease and (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 on programming ) OR ( python script python python programming ))~.