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)
decrease when » decrease the (Expand search), decreases wheat (Expand search), decrease their (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease on (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (Expand search)
when object » when objects (Expand search), when subject (Expand search), en object (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 NOT decrease during depressed ) OR ( decrease at decrease when object ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease not decrease during depressed ) OR ( decrease at decrease when object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease not decrease during depressed ) OR ( decrease at decrease when object ))*.