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)
depressed toc » depressed to (Expand search), depressed the (Expand search), depressed towns (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
decrease need » decreased need (Expand search), decreased feed (Expand search), decrease the (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
need objects » naked objects (Expand search), typed objects (Expand search), field 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 during depressed toc decrease ) OR ( decrease rate decrease need objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed toc decrease ) OR ( decrease rate decrease need objects ))*.