Perhaps you should try some spelling variations:
decrease toc » decrease the (Expand search), decreased to (Expand search), decrease or (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
decrease akt » decrease and (Expand search), decrease after (Expand search), decrease with (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
decrease on » decrease in (Expand search), decrease or (Expand search), decrease and (Expand search)
decrease of » decrease in (Expand search)
decrease at » decrease and (Expand search), decrease in (Expand search), decrease _ (Expand search)
at tests » t tests (Expand search), ct tests (Expand search), at test (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 toc decrease akt decrease ) OR ( ((decrease on) OR (decrease of)) decrease at tests ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decrease akt decrease ) OR ( ((decrease on) OR (decrease of)) decrease at tests ))*.