Perhaps you should try some spelling variations:
the preprocessing » the processing (Expand search), their processing (Expand search), image preprocessing (Expand search)
decrease taping » decrease walking (Expand search), decrease during (Expand search), decrease owing (Expand search)
taping decrease » training decreases (Expand search)
at decreases » salt decreases (Expand search), and decreases (Expand search), but decreases (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 at decreases the preprocessing ) OR ( decrease to decrease taping decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease at decreases the preprocessing ) OR ( decrease to decrease taping decrease ))*.