Perhaps you should try some spelling variations:
decrease field » decreases yield (Expand search), increase field (Expand search), decrease cell (Expand search)
field objects » fields objects (Expand search), field object (Expand search), field subjects (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 the » decreases the (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decrease akt decrease the decrease ) OR ( decrease in decrease field objects ))~.