Perhaps you should try some spelling variations:
decrease looming » decrease flooding (Expand search), decrease lodging (Expand search), decrease owing (Expand search)
looming effects » looping effects (Expand search), flooding effects (Expand search), cooking effects (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (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 _ decrease OR decrease ) OR ( decrease rate decrease looming effects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease _ decrease OR decrease ) OR ( decrease rate decrease looming effects ))*.