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)
its processing » gas processing (Expand search), its processes (Expand search), images processing (Expand search)
depressed its » depressed to (Expand search), depressed i (Expand search), depressed nnos (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (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)

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 during depressed its processing ) OR ( decrease il decrease AND decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease during depressed its processing ) OR ( decrease il decrease and decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed its processing ) OR ( decrease il decrease and decrease ))*.