Perhaps you should try some spelling variations:
by preprocessing » the preprocessing (Expand search), and preprocessing (Expand search), by processing (Expand search)
decrease taping » decrease walking (Expand search), decrease during (Expand search), decrease owing (Expand search)
taping decrease » training decreases (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their disease » the disease (Expand search), hair diseases (Expand search)
disease by » disease _ (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 their disease by preprocessing ) OR ( decrease OR decrease taping decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their disease by preprocessing ) OR ( decrease OR decrease taping decrease ))*.