Perhaps you should try some spelling variations:
stress decreases » stress increases (Expand search)
decrease stress » decreases stress (Expand search), increase stress (Expand search), disease stress (Expand search)
decrease skins » decrease in (Expand search), increase skin (Expand search), decrease owing (Expand search)
skins decrease » soil decrease (Expand search), lesions decrease (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (Expand search)
in object » an object (Expand search), en object (Expand search), and object (Expand search)

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

• Removing quotes may allow a broader search: (( decrease skins decrease can decrease ) OR ( decrease stress decreases in object ))~.