Perhaps you should try some spelling variations:
spread decreased » are decreased (Expand search), showed decreased (Expand search)
decrease spread » disease spread (Expand search), decreases spreading (Expand search), decreased steady (Expand search)
decrease taping » decrease walking (Expand search), decrease owing (Expand search), decreases weaning (Expand search)
taping decrease » training decreases (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during patterns » turing patterns (Expand search), nursing patterns (Expand search), using patterns (Expand search)
decreased and » decreases and (Expand search), decrease and (Expand search), decreased in (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (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 spread decreased AND decrease ) OR ( decrease taping decrease during patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease spread decreased and decrease ) OR ( decrease taping decrease during patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease spread decreased and decrease ) OR ( decrease taping decrease during patterns ))*.