Perhaps you should try some spelling variations:
their decreased » the decreased (Expand search), the decrease (Expand search), tumors decreased (Expand search)
feed processing » seed processing (Expand search), food processing (Expand search), and processing (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
decreased feed » decreased need (Expand search), decreased fear (Expand search), decreased level (Expand search)
decrease owing » decrease lodging (Expand search), decrease during (Expand search), decrease in (Expand search)
owing decrease » taping decrease (Expand search), will decrease (Expand search), skins decrease (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decrease their decreased feed processing ) OR ( decrease owing decrease NOT decrease ))~.