Perhaps you should try some spelling variations:
defense processes » defense process (Expand search), decrease processes (Expand search), disease processes (Expand search)
decrease defense » defense defense (Expand search), decrease release (Expand search), decreases disease (Expand search)
system python » systems python (Expand search), sistemas python (Expand search), pytm python (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » and decrease (Expand search), can increase (Expand search), to decrease (Expand search)
python of » python _ (Expand search), python c (Expand search), python v3 (Expand search)
of system » of systems (Expand search), of systemic (Expand search), of stem (Expand search)

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

• Removing quotes may allow a broader search: (( decrease can decrease defense processes ) OR ( python of system python programming ))~.