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)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
method perception » method perceptions (Expand search), emotion perception (Expand search), method description (Expand search)
decrease will » decrease with (Expand search), decrease il (Expand search), decrease cell (Expand search)
python using » python coding (Expand search), python usando (Expand search), action using (Expand search)
using method » using methods (Expand search), curing method (Expand search), dosing method (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decrease will decrease decrease processes ) OR ( python using method perception progress ))~.