Perhaps you should try some spelling variations:
increase lesions » pancreas lesions (Expand search), disease lesions (Expand search), increase long (Expand search)
lesions decrease » response decrease (Expand search), lesions case (Expand search)
work processing » word processing (Expand search), cork processing (Expand search), pork processing (Expand search)
decrease pain » decreases pain (Expand search), decrease in (Expand search), decreased brain (Expand search)
pain decrease » can decrease (Expand search), taping decrease (Expand search), strain decrease (Expand search)
decrease work » decrease or (Expand search), increase work (Expand search), decrease of (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and increase » and increases (Expand search), and increased (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 pain decrease work processing ) OR ( decrease AND increase lesions decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease pain decrease work processing ) OR ( decrease and increase lesions decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease pain decrease work processing ) OR ( decrease and increase lesions decrease ))*.