Perhaps you should try some spelling variations:
increase their » increase the (Expand search), increases the (Expand search), increased the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (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 toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc increase » c increase (Expand search), co2 increase (Expand search), cox increase (Expand search)
decrease il » decreased il (Expand search), decrease in (Expand search), decrease hiv (Expand search)
il pattern » diel pattern (Expand search), yiel pattern (Expand search), axial pattern (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 toc increase their decrease ) OR ( decrease pain decrease il pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc increase their decrease ) OR ( decrease pain decrease il pattern ))*.