Perhaps you should try some spelling variations:
parallel programing » parallel programming (Expand search), parallel programs (Expand search), parallel processing (Expand search)
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
python parallel » motion parallel (Expand search), within parallel (Expand search), methods parallel (Expand search)
python script » python scrum (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease of decrease decrease processes ) OR ( python script python parallel programing ))~.