Perhaps you should try some spelling variations:
decrease burden » disease burden (Expand search), decrease further (Expand search)
rate decreases » rats decreases (Expand search), rate decrease (Expand search), water decreases (Expand search)
decrease owing » decrease lodging (Expand search), decrease during (Expand search), decrease in (Expand search)
owing decrease » taping decrease (Expand search), will decrease (Expand search), skins decrease (Expand search)
burden objects » buried objects (Expand search), wooden objects (Expand search), golden objects (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search), _ 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 rate decreases the decrease ) OR ( decrease owing decrease burden objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate decreases the decrease ) OR ( decrease owing decrease burden objects ))*.