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 rail » depressed brain (Expand search), depressed manic (Expand search), depressed and (Expand search)
rail process » brazil process (Expand search), oil process (Expand search), railway process (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (Expand search)
on decrease » on decreased (Expand search), of decrease (Expand search), or 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)

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 rail process ) OR ( decrease on decrease at decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed rail process ) OR ( decrease on decrease at decrease ))*.