Perhaps you should try some spelling variations:
perception progress » perception press (Expand search), selection progress (Expand search), reaction progress (Expand search)
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
emotion perception » motion perception (Expand search), emotional perception (Expand search), action perception (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
api emotion » and emotion (Expand search), an emotion (Expand search), art emotion (Expand search)
python api » python and (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 in decrease decrease processes ) OR ( python api emotion perception progress ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in decrease decrease processes ) OR ( python api emotion perception progress ))*.