Perhaps you should try some spelling variations:
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
coal processing » local processing (Expand search), oil processing (Expand search), dual processing (Expand search)
decrease coal » decrease total (Expand search), decrease cell (Expand search), decrease costs (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt increase » gait increase (Expand search), ants increase (Expand search), and increase (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 increase during decrease ) OR ( decrease akt decrease coal processing ))~.