Perhaps you should try some spelling variations:
"_ computation using linear programming" » "_ computations using linear programming" (Expand search), "_ computation in linear programming" (Expand search), "_ composition using linear programming" (Expand search)
"using coping python python programming" » "using using python python programming" (Expand search), "using codigo python python programming" (Expand search), "using coping pythons python programming" (Expand search), "using coping piton python programming" (Expand search), "using coping pitons python programming" (Expand search), "using coding python python programming" (Expand search), "using coupling python python programming" (Expand search), "nursing coping 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: "((\"_ computation using linear programming\") OR (\"using coping python python programming\"))~".
• Removing quotes may allow a broader search: (( _ computation using linear programming ) OR ( using coping python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ computation using linear programming") OR ("using coping python python programming"))*.