Perhaps you should try some spelling variations:
decrease rigid » decrease lipid (Expand search), decrease risk (Expand search), decrease covid (Expand search)
decrease with » decreases with (Expand search), increase with (Expand search), decrease in (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
with decrease » with decreased (Expand search), with deceased (Expand search), with increase (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
decrees that » devices that (Expand search), trees that (Expand search)
rigid object » rigid objects (Expand search), rights object (Expand search), field object (Expand search)
and decrees » and decree (Expand search), and degrees (Expand search), and decreases (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND decrees that decrease ) OR ( decrease with decrease rigid object ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrees that decrease ) OR ( decrease with decrease rigid object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrees that decrease ) OR ( decrease with decrease rigid object ))*.