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 faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
faster decrease » rate decrease (Expand search)
decrease penal » decrease renal (Expand search), decreased renal (Expand search), decreases renal (Expand search)
penal object » real object (Expand search), legal object (Expand search), metal objects (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 OR decrease during decrease ) OR ( decrease faster decrease penal object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease OR decrease during decrease ) OR ( decrease faster decrease penal object ))*.