Perhaps you should try some spelling variations:
"by computations using integer programming" » "by computations using linear programming" (Expand search), "by computation using integer programming" (Expand search), "by populations using integer programming" (Expand search), "by computations in integer programming" (Expand search), "by computational using integer programming" (Expand search), "of computations using integer programming" (Expand search), "by computacional using integer programming" (Expand search), "by computations using inter programming" (Expand search), "by computations using internet programming" (Expand search), "by computations using integral programming" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computations using integer programming\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( by computations using integer programming ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("by computations using integer programming") OR ("using python python python programming"))*.