Perhaps you should try some spelling variations:
"and computation in linear programing" » "and computation in linear programming" (Expand search), "and computation in linear programmin" (Expand search), "and computation in linear program" (Expand search), "and computational in linear programing" (Expand search), "of computation in linear programing" (Expand search), "and computation and linear programing" (Expand search), "and computation of linear programing" (Expand search), "and imputation in linear programing" (Expand search), "and computation non linear programing" (Expand search), "and computation in line programing" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing using python python programming" (Expand search)

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