Perhaps you should try some spelling variations:
decrease further » increase further (Expand search), disease further (Expand search), decrease the (Expand search)
further decrease » further increase (Expand search), faster decrease (Expand search), the decrease (Expand search)
decrease fear » decreased fear (Expand search), decrease fetal (Expand search), decreased heart (Expand search)
fear decrease » break decrease (Expand search), merr decreases (Expand search), can decrease (Expand search)
decrease food » decreases food (Expand search), increase food (Expand search), decreases blood (Expand search)
food process » food processed (Expand search), food prices (Expand search), food processing (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)

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 fear decrease food process ) OR ( decrease further decrease AND decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease fear decrease food process ) OR ( decrease further decrease and decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease fear decrease food process ) OR ( decrease further decrease and decrease ))*.