Perhaps you should try some spelling variations:
decrease retention » decrease prevention (Expand search), decrease predation (Expand search), decreases permeation (Expand search)
decrease theory » decrease their (Expand search), decrease the (Expand search), decreased memory (Expand search)
theory decrease » the decrease (Expand search), therapy decreases (Expand search), memory decreases (Expand search)
decrease yiel » decreases yield (Expand search), decrease il (Expand search), increase yield (Expand search)
yiel pattern » yield pattern (Expand search), diel pattern (Expand search), diel patterns (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 to decrease retention decrease ) OR ( decrease theory decrease yiel pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease to decrease retention decrease ) OR ( decrease theory decrease yiel pattern ))*.