Perhaps you should try some spelling variations:
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (Expand search)
decrease sound » decrease sod (Expand search), decrease soon (Expand search), decrease and (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
sound objects » and objects (Expand search), sound effects (Expand search), boundary objects (Expand search)

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

• Removing quotes may allow a broader search: (( decrease their decrease faster decrease ) OR ( decrease rate decrease sound objects ))~.