Perhaps you should try some spelling variations:
"and computation using linear programming" » "and computations using linear programming" (Expand search), "and computation in linear programming" (Expand search), "and composition using linear programming" (Expand search), "and computational using linear programming" (Expand search), "of computation using linear programming" (Expand search)
"using models python python programming" » "using modulo python python programming" (Expand search), "using modeling vpython python programming" (Expand search), "using models pythons python programming" (Expand search), "using models piton python programming" (Expand search), "using models pitons python programming" (Expand search), "ising models python python programming" (Expand search), "using model python python programming" (Expand search), "nursing models python python programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("and computation using linear programming") OR ("using models python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using linear programming\") OR (\"using models python python programming\"))".
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