Perhaps you should try some spelling variations:
pillar processing » power processing (Expand search)
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
depressed pillar » depressed older (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), disease during (Expand search)
decrease at » decrease and (Expand search), decrease in (Expand search), decrease of (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 pillar processing ) OR ( decrease at decrease _ decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed pillar processing ) OR ( decrease at decrease _ decrease ))*.