Perhaps you should try some spelling variations:
"by computations on linear programming" » "by computational on linear programming" (Expand search), "of computations on linear programming" (Expand search), "by computacional on linear programming" (Expand search), "by computations in linear programming" (Expand search), "by computations of linear programming" (Expand search), "by computation on linear programming" (Expand search), "by computations non linear programming" (Expand search), "by computations on line programming" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("by computations on linear programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computations on linear programming\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( by computations on linear programming ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computations on linear programming") OR ("using coding python python programming"))*.