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 mig » depressed i (Expand search), depressed manic (Expand search), depressed mood (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease the (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
mig process » tig process (Expand search), aging process (Expand search), dying process (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (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 mig process ) OR ( decrease AND decrease of decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease during depressed mig process ) OR ( decrease and decrease of decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed mig process ) OR ( decrease and decrease of decrease ))*.