Perhaps you should try some spelling variations:
allocation patterns » association patterns (Expand search), activation patterns (Expand search), selection patterns (Expand search)
decrease allocation » disease allocation (Expand search), expense allocation (Expand search), pancreas allocation (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » the decrease (Expand search), not decrease (Expand search), or decrease (Expand search)
decrease to » decreased to (Expand search), decrease the (Expand search), decrease pro (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 AND decrease to decrease ) OR ( decrease toc decrease allocation patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease to decrease ) OR ( decrease toc decrease allocation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease to decrease ) OR ( decrease toc decrease allocation patterns ))*.