Perhaps you should try some spelling variations:
"by computation using nonlinear programming" » "by computation using linear programming" (Expand search), "by computations using nonlinear programming" (Expand search), "by computation in nonlinear programming" (Expand search), "by composition using nonlinear programming" (Expand search), "by computational using nonlinear programming" (Expand search), "of computation using nonlinear programming" (Expand search), "_ computation using nonlinear programming" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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 computation using nonlinear programming") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computation using nonlinear programming\") OR (\"using codigo python python programming\"))".
• Removing quotes may allow a broader search: (( by computation using nonlinear programming ) OR ( using codigo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computation using nonlinear programming") OR ("using codigo python python programming"))*.