Perhaps you should try some spelling variations:
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
decrease will » decrease with (Expand search), decrease cell (Expand search), decrease il (Expand search)
decrease hiv » decrease their (Expand search), decreased high (Expand search), decrease with (Expand search)
hiv decrease » via decrease (Expand search), hiv increase (Expand search), limb decrease (Expand search)
in object » en object (Expand search), an object (Expand search), and object (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 hiv decrease will decrease ) OR ( decrease during decrease in object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease hiv decrease will decrease ) OR ( decrease during decrease in object ))*.