Perhaps you should try some spelling variations:
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their disease » the disease (Expand search), hair diseases (Expand search)
decrease dota » decrease total (Expand search), decreased total (Expand search), decrease costs (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (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)
disease or » disease of (Expand search), disease on (Expand search), disease _ (Expand search)
dota based » data based (Expand search), dot based (Expand search), dots based (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 their disease OR decrease ) OR ( decrease il decrease dota based ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease their disease or decrease ) OR ( decrease il decrease dota based ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease their disease or decrease ) OR ( decrease il decrease dota based ))*.