Perhaps you should try some spelling variations:
decreases spreading » disease spreading (Expand search), decreases weaning (Expand search)
spreading based » reading based (Expand search), rereading based (Expand search), streaming based (Expand search)
rate decreases » rats decreases (Expand search), water decreases (Expand search), nitrate decreases (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
risk decrease » risk decreases (Expand search), risk increase (Expand search), break 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)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decrease risk decrease rate decrease ) OR ( decrease rate decreases spreading based ))~.