Perhaps you should try some spelling variations:
decrease further » increase further (Expand search), disease further (Expand search), decrease the (Expand search)
further decrease » further increase (Expand search), faster decrease (Expand search), the decrease (Expand search)
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)
decreased rate » increased rate (Expand search), decreased base (Expand search), decreased native (Expand search)
l1 processing » 1 processing (Expand search), at processing (Expand search), 2 processing (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
decrease l1 » decrease low (Expand search), decrease in (Expand search), decrease of (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 further decrease l1 processing ) OR ( decreased rate decrease during decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease further decrease l1 processing ) OR ( decreased rate decrease during decrease ))*.