Perhaps you should try some spelling variations:
depressive suffering » depression suffering (Expand search)
suffering effects » buffering effect (Expand search), differing effects (Expand search), scattering effects (Expand search)
decrease after » increase after (Expand search), disease after (Expand search)
after decrease » faster decrease (Expand search), after deceased (Expand search), litter decrease (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)
in depressive » on depressive (Expand search), and depressive (Expand search), of depressive (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 after decrease rate decrease ) OR ( decrease in depressive suffering effects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease after decrease rate decrease ) OR ( decrease in depressive suffering effects ))*.