Perhaps you should try some spelling variations:
decrease response » decreased response (Expand search), increases response (Expand search), increased response (Expand search)
decrease overtime » decrease overall (Expand search)
response decrease » response defense (Expand search)
overtime process » colective process (Expand search), time process (Expand search), average process (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not 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 the decrease overtime process ) OR ( decrease response decrease of decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease the decrease overtime process ) OR ( decrease response decrease of decrease ))*.