Perhaps you should try some spelling variations:
significantly lower » significantly higher (Expand Search)
significantly alter » significantly altered (Expand Search), significantly smaller (Expand Search), significantly better (Expand Search)
lower decrease » larger decrease (Expand Search), linear decrease (Expand Search), teer decrease (Expand Search)
alter decrease » larger decrease (Expand Search), water decreases (Expand Search), teer decrease (Expand Search)

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

• Removing quotes may allow a broader search: (( significantly lower decrease ) OR ( significantly alter decrease )).