Perhaps you should try some spelling variations:
via preprocessing » data preprocessing (Expand search), chip preprocessing (Expand search), the preprocessing (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (Expand search)
decrease via » decrease in (Expand search), decrease hiv (Expand search), decrease il (Expand search)

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

• Removing quotes may allow a broader search: (( decrease their decrease via preprocessing ) OR ( decrease _ increase during decrease ))~.