Perhaps you should try some spelling variations:
"and computations using integer program" » "and computation using integer program" (Expand search), "and populations using integer program" (Expand search), "and computations in integer program" (Expand search), "and computational using integer program" (Expand search), "and competitions using integer program" (Expand search), "and computations using integer programs" (Expand search), "and computations using integra program" (Expand search), "and computations using integer programing" (Expand search), "and computations using inter program" (Expand search), "and computations using internet program" (Expand search), "and computations using integral program" (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: "((\"and computations using integer program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( and computations using integer program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computations using integer program") OR ("using python python python programming"))*.