Perhaps you should try some spelling variations:
decrease species » decreases species (Expand search), increased species (Expand search), create species (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
species affect » species affects (Expand search), species effects (Expand search), species after (Expand search)
decrease food » decreases food (Expand search), increase food (Expand search), decreases blood (Expand search)
food decrease » food decreases (Expand search), foods decreases (Expand search), flow decrease (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)

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 food decrease during decrease ) OR ( decrease toc decrease species affect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease food decrease during decrease ) OR ( decrease toc decrease species affect ))*.