Perhaps you should try some spelling variations:
increases signal » increased signal (Expand search), increases spinal (Expand search), increases renal (Expand search)
price increases » price increase (Expand search), mice increases (Expand search), juice increases (Expand search)
decrease price » decrease pro (Expand search), decrease risk (Expand search)
decrease will » decrease with (Expand search), decrease cell (Expand search), decrease il (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (Expand search)

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

• Removing quotes may allow a broader search: (( decrease price increases signal processing ) OR ( decrease will decrease to decrease ))~.