Perhaps you should try some spelling variations:
"based computation in convex programming" » "based computation in cone programming" (Expand search), "based computation in computer programming" (Expand search), "based computational in convex programming" (Expand search), "based competition in convex programming" (Expand search), "based compilation in convex programming" (Expand search), "based computation and convex programming" (Expand search), "based computation of convex programming" (Expand search), "based imputation in convex programming" (Expand search), "based computation non convex programming" (Expand search), "based computation _ convex programming" (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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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computation in convex programming\") OR (\"using using python python programming\"))~".
• Removing quotes may allow a broader search: (( based computation in convex programming ) OR ( using using python python programming ))~.
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