Perhaps you should try some spelling variations:
decrease signal » increased signal (Expand search), decrease stigma (Expand search), decrease renal (Expand search)
decrease loss » decrease costs (Expand search), decrease low (Expand search), decrease blood (Expand search)
loss decrease » loss decreases (Expand search), to decrease (Expand search), not decrease (Expand search)
increase life » increasing life (Expand search), increase bone (Expand search), increase due (Expand search)
life decrease » life decreases (Expand search), life decreased (Expand search), life increase (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc increase » c increase (Expand search), co2 increase (Expand search), cox increase (Expand search)

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

• Removing quotes may allow a broader search: (( decrease loss decrease signal processing ) OR ( decrease toc increase life decrease ))~.