Perhaps you should try some spelling variations:
decrease sputtering » decrease suffering (Expand search), decreased sintering (Expand search)
sputtering effect » scattering effect (Expand search), scattering effects (Expand search), clustering effect (Expand search)
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (Expand search)
faster decrease » rate 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.

• Removing quotes may allow a broader search: (( decrease akt decrease faster decrease ) OR ( decrease OR decrease sputtering effect ))~.