Perhaps you should try some spelling variations:
decreases rate » decreased rate (Expand search), decreases water (Expand search), decreases brain (Expand search)
decrease human » increase human (Expand search), disease human (Expand search), decrease asian (Expand search)
toc decreases » c decreases (Expand search), oic decreases (Expand search), co2 decreases (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
human objects » human subjects (Expand search), human objectives (Expand search), human aspects (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (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 toc decreases rate decrease ) OR ( decrease _ decrease human objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decreases rate decrease ) OR ( decrease _ decrease human objects ))*.