Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), decay processes (Expand search), increase process (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decreases disease (Expand search)
decrease physics » decrease physical (Expand search), increase physical (Expand search)
physics problem » physics problems (Expand search)
pathogens that » pathogens what (Expand search), pathogens at (Expand search), pathogens the (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
decrease std » decrease sod (Expand search), decrease and (Expand search), decrease at (Expand search)
std decrease » to decrease (Expand search), and decrease (Expand search), spp 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 std decrease decrease processes ) OR ( pathogens that decrease physics problem ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease std decrease decrease processes ) OR ( pathogens that decrease physics problem ))*.