Perhaps you should try some spelling variations:
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease wiping » decrease walking (Expand search), decrease lipid (Expand search), decrease owing (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 the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)
wiping test » writing test (Expand search), living test (Expand search), waking test (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 during decrease risk decrease ) OR ( decrease the decrease wiping test ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during decrease risk decrease ) OR ( decrease the decrease wiping test ))*.