Perhaps you should try some spelling variations:
"using computational using computed program" » "and computational using computed program" (Expand search), "using computation using computed program" (Expand search), "using computations using computed program" (Expand search), "using computacional usinas computed program" (Expand search), "using computational using computer program" (Expand search), "using computational using computer programs" (Expand search), "using computational using compete program" (Expand search), "using computational using complex program" (Expand search)
"using mobile python python programming" » "using mobile phone python programming" (Expand search), "using mobile pythons python programming" (Expand search), "using mobile piton python programming" (Expand search), "using mobile pitons python programming" (Expand search)

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