Perhaps you should try some spelling variations:
decrease placing » decrease replacing (Expand search), disease placing (Expand search), decreases weaning (Expand search)
during increased » during increasing (Expand search), producing increased (Expand search), favoring increased (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
placing objects » teaching objects (Expand search), speaking objects (Expand search), flying objects (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their decrease » the decrease (Expand search), their disease (Expand search), the decreased (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 of decrease during increased ) OR ( decrease their decrease placing objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decrease during increased ) OR ( decrease their decrease placing objects ))*.