Perhaps you should try some spelling variations:
decreases cancer » decreases and (Expand search), decreases liver (Expand search)
decrease costs » decreasing costs (Expand search), decreases post (Expand search), disease costs (Expand search)
costs decrease » loss decrease (Expand search), not decrease (Expand search), cells decrease (Expand search)
cancer objects » cancer effects (Expand search), copper objects (Expand search), concrete objects (Expand search)
at decreases » salt decreases (Expand search), and decreases (Expand search), but decreases (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (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 costs decrease AND decrease ) OR ( decrease at decreases cancer objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease costs decrease AND decrease ) OR ( decrease at decreases cancer objects ))*.