Perhaps you should try some spelling variations:
decrease lesions » disease lesions (Expand search), decreased response (Expand search), decrease adhesion (Expand search)
human processing » domain processing (Expand search), humour processing (Expand search), semen processing (Expand search)
walking decrease » walking decreases (Expand search), warming decreases (Expand search), taping decrease (Expand search)
decrease human » increase human (Expand search), disease human (Expand search), decrease asian (Expand search)
lesions case » lesion case (Expand search), lesions caused (Expand search), lesions based (Expand search)
case walking » care walking (Expand search), based walking (Expand search), race walking (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 human processing ) OR ( decrease lesions case walking decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease NOT decrease human processing ) OR ( decrease lesions case walking decrease ))*.