Perhaps you should try some spelling variations:
bacterial processing » bacteria processing (Expand search), material processing (Expand search), materials processing (Expand search)
decrease bacterial » increase bacterial (Expand search), decrease arterial (Expand search), increased bacterial (Expand search)
during depressed » during depressive (Expand search), during repressive (Expand search), feeling depressed (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
depressed that » depressed the (Expand search), depressed text (Expand search), depresses the (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease toc decrease bacterial processing ) OR ( decrease during depressed that decrease ))~.