Perhaps you should try some spelling variations:
pain decreased » pain decrease (Expand search), in decreased (Expand search), brain decreases (Expand search)
decreased fear » decreased heart (Expand search), decreased fas (Expand search), decreased feed (Expand search)
decrease pain » decreases pain (Expand search), decreased brain (Expand search), decreases brain (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
fear objects » learn objects (Expand search), linear objects (Expand search), earth objects (Expand search)
in decrease » in decreased (Expand search), and decrease (Expand search), can decrease (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 decrease in decrease ) OR ( decrease pain decreased fear objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decrease in decrease ) OR ( decrease pain decreased fear objects ))*.