Perhaps you should try some spelling variations:
decrease sound » decrease sod (Expand search), decrease soon (Expand search), decrease food (Expand search)
merr decreases » meal decreases (Expand search), memory decreases (Expand search), gene decreases (Expand search)
decrease merr » decrease fear (Expand search), decrease their (Expand search), decreased mean (Expand search)
sound objects » and objects (Expand search), sound effects (Expand search), boundary objects (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
decrease at » decrease akt (Expand search), decrease in (Expand search), decrease of (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), not decrease (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND decrease merr decreases ) OR ( decrease at decrease sound objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease merr decreases ) OR ( decrease at decrease sound objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease merr decreases ) OR ( decrease at decrease sound objects ))*.