Perhaps you should try some spelling variations:
decrease study » decrease std (Expand search), increase study (Expand search), decreased steady (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), ratio decrease (Expand search), rate increase (Expand search)
study program » study programs (Expand search), study programme (Expand search), student program (Expand search)
action using » reaction using (Expand search), section using (Expand search), suction using (Expand search)
using lambda » using lamb (Expand search), single lambda (Expand search), using lambert (Expand search)

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

• Removing quotes may allow a broader search: (( decrease rate decrease study program ) OR ( action using lambda python programming ))~.