Perhaps you should try some spelling variations:
decrease limb » decrease lipid (Expand search), decrease liver (Expand search), decrease hiv (Expand search)
limb decrease » will decrease (Expand search)
decrease fear » decreased fear (Expand search), decrease fetal (Expand search), decreased heart (Expand search)
fear decrease » break decrease (Expand search), merr decreases (Expand search), can decrease (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
in object » an object (Expand search), en object (Expand search), and object (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 limb decrease fear decrease ) OR ( decrease rate decrease in object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease limb decrease fear decrease ) OR ( decrease rate decrease in object ))*.