Perhaps you should try some spelling variations:
decrease further » increase further (Expand search), disease further (Expand search), decrease the (Expand search)
further decrease » further increase (Expand search), faster decrease (Expand search), the decrease (Expand search)
decrease flow » decreases flow (Expand search), decrease low (Expand search), decrease food (Expand search)
flow decrease » flow increase (Expand search), to decrease (Expand search), not 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)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)
or object » art object (Expand search), an object (Expand search), en object (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 further decrease akt decrease ) OR ( decrease flow decrease OR object ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease further decrease akt decrease ) OR ( decrease flow decrease or object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease further decrease akt decrease ) OR ( decrease flow decrease or object ))*.