Perhaps you should try some spelling variations:
fear preprocessing » fear processing (Expand search), via preprocessing (Expand search), image preprocessing (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate increase » the increase (Expand search), and increase (Expand search), an increase (Expand search)
increase fear » increases fear (Expand search), decrease fear (Expand search), increase after (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 the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and 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 rate increase fear preprocessing ) OR ( decrease the decrease risk decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate increase fear preprocessing ) OR ( decrease the decrease risk decrease ))*.