Perhaps you should try some spelling variations:
decrease rigid » decrease lipid (Expand search), decrease risk (Expand search), decrease covid (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), and decrease (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
rigid object » rigid objects (Expand search), rights object (Expand search), field object (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 rate decrease akt decrease ) OR ( decrease to decrease rigid object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate decrease akt decrease ) OR ( decrease to decrease rigid object ))*.