Perhaps you should try some spelling variations:
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
ipla2 processing » l2 processing (Expand search), plant processing (Expand search), plate processing (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
depressed ipla2 » decrease ipla2 (Expand search)
decrease after » increase after (Expand search), disease after (Expand search)
after decrease » faster decrease (Expand search), after deceased (Expand search), litter decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 ipla2 processing ) OR ( decrease to decrease after decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during depressed ipla2 processing ) OR ( decrease to decrease after decrease ))*.