Perhaps you should try some spelling variations:
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), can decrease (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
risk decrease » risk decreases (Expand search), risk increase (Expand search), break decrease (Expand search)
decrease cots » decrease costs (Expand search), decrease its (Expand search), decrease total (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)
cots based » dots based (Expand search), hosts based (Expand search), plots based (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease NOT decrease that decrease ) OR ( decrease risk decrease cots based ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease not decrease that decrease ) OR ( decrease risk decrease cots based ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease not decrease that decrease ) OR ( decrease risk decrease cots based ))*.