Perhaps you should try some spelling variations:
the preprocessing » the processing (Expand search), their processing (Expand search), image preprocessing (Expand search)
decreases pain » decreases in (Expand search), decreases and (Expand search), decreases hepatic (Expand search)
decrease will » decrease with (Expand search), decrease cell (Expand search), decrease il (Expand search)
pain decrease » can decrease (Expand search), taping decrease (Expand search), strain decrease (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search)
of decreases » of decrease (Expand search), of decreased (Expand search), or decreases (Expand search)
decrease of » decrease in (Expand search)

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

• Removing quotes may allow a broader search: (( decrease will decrease the preprocessing ) OR ( decrease of decreases pain decrease ))~.