Perhaps you should try some spelling variations:
significantly increased » significant increase (Expand Search)
significantly improve » significantly improved (Expand Search)
increased decrease » increased release (Expand Search), increased crash (Expand Search)
improve decrease » improve disease (Expand Search), improved urease (Expand Search), improves disease (Expand Search)

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

• Removing quotes may allow a broader search: (( significantly increased decrease ) OR ( significantly improve decrease )).