Perhaps you should try some spelling variations:
decrease rapid » decrease lipid (Expand search), decreased ratio (Expand search), decrease and (Expand search)
rapid decrease » rapidly decrease (Expand search), rapid increase (Expand search), ratio decrease (Expand search)
decrease drugs » disease drugs (Expand search), decrease treg (Expand search), release drugs (Expand search)
drugs decrease » drugs increases (Expand search), drugs release (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their objects » the objects (Expand search), their objectives (Expand search), their projects (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain 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 rapid decrease in decrease ) OR ( decrease drugs decrease their objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rapid decrease in decrease ) OR ( decrease drugs decrease their objects ))*.