Perhaps you should try some spelling variations:
"and computation using computer program" » "and computations using computer program" (Expand search), "and computation in computer program" (Expand search), "and composition using computer program" (Expand search), "and computational using computer program" (Expand search), "of computation using computer program" (Expand search)
"using only python python programming" » "using only pythons python programming" (Expand search), "using only piton python programming" (Expand search), "using only pitons python programming" (Expand search), "using monty python python programming" (Expand search), "using on python python programming" (Expand search), "using online python python programming" (Expand search)

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