Perhaps you should try some spelling variations:
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease mating » decrease walking (Expand search), decrease owing (Expand search), decreases weaning (Expand search)
mating patterns » eating patterns (Expand search), banding patterns (Expand search), emerging patterns (Expand search)
decrease pain » decreases pain (Expand search), decrease in (Expand search), decreased brain (Expand search)
pain decrease » can decrease (Expand search), strain decrease (Expand search), taping decrease (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (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 pain decrease during decrease ) OR ( decrease of decrease mating patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease pain decrease during decrease ) OR ( decrease of decrease mating patterns ))*.