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)
activity programa » activity program (Expand search), activity programs (Expand search), activity programme (Expand search)
python activity » action activity (Expand search), cotton activity (Expand search), motion activity (Expand search)
decrease spp » decrease sod (Expand search), decrease std (Expand search), decrease soon (Expand search)
spp decrease » spp increase (Expand search), speed decrease (Expand search), tip decreases (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 spp decrease decrease processes ) OR ( python script python activity programa ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease spp decrease decrease processes ) OR ( python script python activity programa ))*.