Perhaps you should try some spelling variations:
decreasing costs » decreasing cost (Expand search), decreasing rest (Expand search), decrease costs (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
costs decrease » loss decrease (Expand search), not decrease (Expand search), cells decrease (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any 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: "(( decreasing costs decrease during processing ) OR ( decrease akt decrease _ decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreasing costs decrease during processing ) OR ( decrease akt decrease _ decrease ))*.