Perhaps you should try some spelling variations:
radiation patterns » radiation pattern (Expand search), radiation scattering (Expand search), activation patterns (Expand search)
decrease radiation » increase radiation (Expand search), increases radiation (Expand search), decrease predation (Expand search)
decrease walking » increase walking (Expand search), decreases weaning (Expand search), decrease during (Expand search)
walking decrease » walking decreases (Expand search), warming decreases (Expand search), taping decrease (Expand search)
decrease any » decrease and (Expand search), decreases and (Expand search), decreased and (Expand search)
any decrease » and decrease (Expand search), can decrease (Expand search), may 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 _ decrease walking decrease ) OR ( decrease any decrease radiation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease _ decrease walking decrease ) OR ( decrease any decrease radiation patterns ))*.