Perhaps you should try some spelling variations:
airway processing » array processing (Expand search), dairy processing (Expand search), air processing (Expand search)
decreases airway » increased airway (Expand search), decreases aortic (Expand search), reverses airway (Expand search)
their decreases » heme decreases (Expand search), merr decreases (Expand search), therapy decreases (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease their decreases airway processing ) OR ( decrease _ decrease that decrease ))~.