Perhaps you should try some spelling variations:
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 mock » decrease toc (Expand search), decrease milk (Expand search), decrease work (Expand search)
decrease can » decrease and (Expand search), decrease at (Expand search), decrease on (Expand search)
can decrease » and decrease (Expand search), can increase (Expand search), to decrease (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
mock object » mock objects (Expand search), book object (Expand search), mask object (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 can decrease ) OR ( decrease in decrease mock object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their decrease can decrease ) OR ( decrease in decrease mock object ))*.