Perhaps you should try some spelling variations:
their decreasing » the decreasing (Expand search), their increasing (Expand search), in decreasing (Expand search)
decreasing costs » decreasing cost (Expand search), decreasing rest (Expand search), decrease costs (Expand search)
decrease grain » decreased brain (Expand search), decreases brain (Expand search), increase grain (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
costs decrease » loss decrease (Expand search), not decrease (Expand search), cells decrease (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (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 can decrease grain processing ) OR ( decrease their decreasing costs decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease can decrease grain processing ) OR ( decrease their decreasing costs decrease ))*.