Perhaps you should try some spelling variations:
decrease placing » decrease replacing (Expand search), disease placing (Expand search), decreases weaning (Expand search)
placing objects » teaching objects (Expand search), speaking objects (Expand search), flying objects (Expand search)
break decrease » urea decrease (Expand search)
decrease break » decreases breast (Expand search), decreases areas (Expand search), decrease treg (Expand search)
decrease by » decreased by (Expand search), decrease in (Expand search), decrease of (Expand search)
by decrease » by decreased (Expand search), may decrease (Expand search), any decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 by decrease to decrease ) OR ( decrease break decrease placing objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease by decrease to decrease ) OR ( decrease break decrease placing objects ))*.