Perhaps you should try some spelling variations:
disease processes » disease process (Expand search), disease progress (Expand search), these processes (Expand search)
decrease disease » decreases disease (Expand search), increase disease (Expand search), increased disease (Expand search)
decrease physics » decrease physical (Expand search), increase physical (Expand search)
decrease soil » decreases soil (Expand search), increase soil (Expand search), decrease il (Expand search)
soil decrease » oil decreases (Expand search), soil increase (Expand search), bail decreases (Expand search)
code decrease » oxide decrease (Expand search), roads 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 soil decrease disease processes ) OR ( python code decrease physics problems ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease soil decrease disease processes ) OR ( python code decrease physics problems ))*.