Perhaps you should try some spelling variations:
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)
prison python » piton python (Expand search), pitons python (Expand search), prison prison (Expand search)
python black » action black (Expand search), python task (Expand search), python nltk (Expand search)
black prison » black person (Expand search), black prisoners (Expand search), black press (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease of decrease decrease processes ) OR ( python black prison python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease decrease processes ) OR ( python black prison python programming ))*.