Perhaps you should try some spelling variations:
decreases flying » decreases lung (Expand search), decreases during (Expand search), decreases along (Expand search)
flying objects » moving objects (Expand search), flying insects (Expand search)
decrease any » decreases and (Expand search), decreased and (Expand search), decreased ant (Expand search)
any decrease » and decrease (Expand search), can decrease (Expand search), may decrease (Expand search)
decrease and » decreases and (Expand search), decrease of (Expand search), decrease the (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease in decrease any decrease ) OR ( decrease and decreases flying objects ))~.