Perhaps you should try some spelling variations:
further decrease » further increase (Expand search), faster decrease (Expand search), the decrease (Expand search)
decrease further » increase further (Expand search), disease further (Expand search), decrease the (Expand search)
increase image » increasing image (Expand search), increased damage (Expand search), increase impact (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and increase » and increases (Expand search), and increased (Expand search)
decrease akt » decrease at (Expand search), decrease after (Expand search), decrease with (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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND increase image processing ) OR ( decrease akt decrease further decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and increase image processing ) OR ( decrease akt decrease further decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and increase image processing ) OR ( decrease akt decrease further decrease ))*.