Perhaps you should try some spelling variations:
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
decrease ligand » decrease and (Expand search), decrease lipid (Expand search), decrease lodging (Expand search)
heat processing » meat processing (Expand search), text processing (Expand search), event processing (Expand search)
ligand decrease » and decrease (Expand search), ligand release (Expand search), ligands increased (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
decrease heat » decreased heart (Expand search), decreases wheat (Expand search), decrease at (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 NOT decrease heat processing ) OR ( decrease ligand decrease during depressed ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease NOT decrease heat processing ) OR ( decrease ligand decrease during depressed ))*.