Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), decay processes (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
python processing » ration processing (Expand search), cotton processing (Expand search), motion processing (Expand search)
lines python » in python (Expand search)
python code » python redes (Expand search)
code lines » code lives (Expand search), code clones (Expand search), code linear (Expand search)

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