Perhaps you should try some spelling variations:
decrease looping » decrease flooding (Expand search), decrease lodging (Expand search), decrease owing (Expand search)
looping effects » doping effects (Expand search), cooking effects (Expand search), loading effects (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (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)
decrease il » decreased il (Expand search), decrease in (Expand search), decrease hiv (Expand search)
il decrease » l decrease (Expand search), will decrease (Expand search), oil decreases (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 their decrease il decrease ) OR ( decrease can decrease looping effects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their decrease il decrease ) OR ( decrease can decrease looping effects ))*.