Perhaps you should try some spelling variations:
increase processes » increase process (Expand search), decrease processes (Expand search), disease processes (Expand search)
processes effects » process effects (Expand search), processing effects (Expand search), process effect (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)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and increase » and increases (Expand search), and increased (Expand search)
decrease il » decreased il (Expand search), decrease in (Expand search), decrease hiv (Expand search)
il decrease » l decrease (Expand search), will decrease (Expand search), oil decreases (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease toc decrease il decrease ) OR ( decrease AND increase processes effects ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease toc decrease il decrease ) OR ( decrease and increase processes effects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decrease il decrease ) OR ( decrease and increase processes effects ))*.