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 art » depressed area (Expand search), depressed and (Expand search), depressed areas (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)
decrease il » decreased il (Expand search), decrease in (Expand search), decrease hiv (Expand search)
il decrease » l decrease (Expand search), will decrease (Expand search), oil decreases (Expand search)
art objects » smart objects (Expand search), and objects (Expand search), belt objects (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease il decrease NOT decrease ) OR ( decrease during depressed art objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease il decrease not decrease ) OR ( decrease during depressed art objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease il decrease not decrease ) OR ( decrease during depressed art objects ))*.