Perhaps you should try some spelling variations:
integer programming » linear programming (Expand search)
decrease integer » decrease catheter (Expand search), decrease after (Expand search), decrease income (Expand search)
thin sampling » in sampling (Expand search), vein sampling (Expand search), rain sampling (Expand search)
sampling time » sampling in (Expand search), sampling bias (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)
time python » the python (Expand search), simple python (Expand search), lines python (Expand search)

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

• Removing quotes may allow a broader search: (( decrease at decrease integer programming ) OR ( thin sampling time python programming ))~.