Perhaps you should try some spelling variations:
decrease mining » decrease during (Expand search), decrease owing (Expand search), decreases weaning (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease hiv (Expand search)
risk decrease » risk decreases (Expand search), risk increase (Expand search), break decrease (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
in decreased » is decreased (Expand search), in deceased (Expand search), and decreased (Expand search)
mining based » training based (Expand search), sensing based (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 risk decrease in decreased ) OR ( decrease that decrease mining based ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease risk decrease in decreased ) OR ( decrease that decrease mining based ))*.