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)
oral processing » oil processing (Expand search), dual processing (Expand search), neural processing (Expand search)
depressed oral » depressed brain (Expand search), depressed areas (Expand search), depressed area (Expand search)
decrease acid » decrease and (Expand search), decrease lipid (Expand search), decrease asian (Expand search)
acid decrease » acid degreaser (Expand search), rapid decrease (Expand search), and decrease (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)

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