Perhaps you should try some spelling variations:
predation decreased » deletion decreased (Expand search), reduction decreases (Expand search), vegetation decreases (Expand search)
decrease predation » decrease prevention (Expand search), increased predation (Expand search), decreased production (Expand search)
feed processing » seed processing (Expand search), food processing (Expand search), and processing (Expand search)
decreased feed » decreased need (Expand search), decreased fear (Expand search), decreased level (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), of 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease predation decreased feed processing ) OR ( decrease to decrease toc decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease predation decreased feed processing ) OR ( decrease to decrease toc decrease ))*.