Perhaps you should try some spelling variations:
decrease parallel » disease parallels (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
set decrease » stent decrease (Expand search), not decrease (Expand search), use decrease (Expand search)
python on » python of (Expand search), python in (Expand search), python and (Expand search)
on python » in python (Expand search), of python (Expand search), _ python (Expand search)
code set » code art (Expand search)

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

• Removing quotes may allow a broader search: (( code set decrease parallel programming ) OR ( python on python python programming ))~.