Perhaps you should try some spelling variations:
decrease suffering » depressive suffering (Expand search), decreased sintering (Expand search), increased buffering (Expand search)
suffering effect » buffering effect (Expand search), differing effects (Expand search), sputtering effect (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during increase » during increased (Expand search), drink increase (Expand search), during increasing (Expand search)
increase strain » increase grain (Expand search), increases brain (Expand search), increases grain (Expand search)
strain decrease » strains increases (Expand search), stress decreases (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (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 during increase strain decrease ) OR ( decrease of decrease suffering effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during increase strain decrease ) OR ( decrease of decrease suffering effect ))*.