Perhaps you should try some spelling variations:
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
work processor » word processor (Expand search), work professor (Expand search), work process (Expand search)
decrease treg » decrease the (Expand search), increase treg (Expand search), decrease their (Expand search)
treg decrease » the decrease (Expand search), urea decrease (Expand search), drugs decrease (Expand search)
decrease work » decrease or (Expand search), increase work (Expand search), decrease of (Expand search)
depressed toc » depressed to (Expand search), depressed the (Expand search), depressed towns (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (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 treg decrease work processor ) OR ( decrease during depressed toc decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease treg decrease work processor ) OR ( decrease during depressed toc decrease ))*.