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)
reaction using » prediction using (Expand search), detection using (Expand search), selection using (Expand search)
decrease il » decrease in (Expand search), decrease of (Expand search), decrease _ (Expand search)
il decrease » l decrease (Expand search), will decrease (Expand search), oil decreases (Expand search)
using peg » using pet (Expand search), using pcr (Expand search), using p (Expand search)

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

• Removing quotes may allow a broader search: (( decrease il decrease integer programming ) OR ( reaction using peg python programming ))~.