Perhaps you should try some spelling variations:
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
faster decrease » rate decrease (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 when » decrease the (Expand search), decreases wheat (Expand search), decrease in (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)
when objects » when subjects (Expand search), wooden objects (Expand search), within objects (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 faster decrease ) OR ( decrease their decrease when objects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease faster decrease ) OR ( decrease their decrease when objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease faster decrease ) OR ( decrease their decrease when objects ))*.