Perhaps you should try some spelling variations:
decrease blowing » decrease owing (Expand search), decrease following (Expand search), decrease flooding (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
blowing effects » growing effects (Expand search), crowding effects (Expand search), lowering effects (Expand search)
decrease blood » decreases blood (Expand search), decreased blood (Expand search), increase blood (Expand search)
blood decrease » blood degree (Expand search), blood disease (Expand search), loss decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease during decrease OR decrease ) OR ( decrease blood decrease blowing effects ))~.