Perhaps you should try some spelling variations:
decrease their » increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (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)
decrease the » decreases the (Expand search), decrease of (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
the ripper » the upper (Expand search), the copper (Expand search), the pepper (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease their decrease in decrease ) OR ( decrease rate decrease the ripper ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their decrease in decrease ) OR ( decrease rate decrease the ripper ))*.