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)
simplex python » simple python (Expand search), simplex method (Expand search)
using simplex » using simple (Expand search), using complex (Expand search), using samples (Expand search)
python using » python coding (Expand search), python usando (Expand search), action using (Expand search)
decrease of » decrease in (Expand search)
of decrease » not decrease (Expand search), to decrease (Expand search), of decree (Expand search)

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

• Removing quotes may allow a broader search: (( decrease of decrease integer programming ) OR ( python using simplex python programming ))~.