Perhaps you should try some spelling variations:
decrease suffering » depressive suffering (Expand search), decreased sintering (Expand search), increased buffering (Expand search)
suffering objects » suffering subjects (Expand search)
faster decrease » rate decrease (Expand search)
decrease faster » decrease after (Expand search), decrease further (Expand search), decreased after (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 NOT decrease to decrease ) OR ( decrease faster decrease suffering objects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease NOT decrease to decrease ) OR ( decrease faster decrease suffering objects ))*.