Perhaps you should try some spelling variations:
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
decrease fear » decreased fear (Expand search), decrease fetal (Expand search), decreased heart (Expand search)
fear decrease » break decrease (Expand search), merr decreases (Expand search), can decrease (Expand search)
during powers » during power (Expand search), during lower (Expand search), during powder (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)
or decrease » not decrease (Expand search), to decrease (Expand search), _ decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and decrease (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 fear decrease OR decrease ) OR ( decrease at decrease during powers ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease fear decrease or decrease ) OR ( decrease at decrease during powers ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease fear decrease or decrease ) OR ( decrease at decrease during powers ))*.