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)
pre processing » the processing (Expand search), image processing (Expand search)
depressed its » depressed to (Expand search), depressed i (Expand search), depressed nnos (Expand search)
decrease pre » decrease pro (Expand search), decrease treg (Expand search), decrease the (Expand search)
its decrease » with decrease (Expand search), nts decreases (Expand search), its increase (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 to decrease pre processing ) OR ( decrease during depressed its decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease to decrease pre processing ) OR ( decrease during depressed its decrease ))*.