Perhaps you should try some spelling variations:
decrease depression » decreasing depression (Expand search), decreased expression (Expand search), decreases expression (Expand search)
depression process » expression process (Expand search), compression process (Expand search), demission process (Expand search)
decrease that » decrease the (Expand search), decrease at (Expand search), decrees that (Expand search)
that decrease » that increase (Expand search), that increases (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 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease that decrease akt decrease ) OR ( decrease toc decrease depression process ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease that decrease akt decrease ) OR ( decrease toc decrease depression process ))*.