Perhaps you should try some spelling variations:
"based computations using computer program" » "based computation using computer program" (Expand search), "based computational using computer program" (Expand search), "based competition using computer program" (Expand search), "based populations using computer program" (Expand search), "based computations in computer program" (Expand search)
"using coding of python programming" » "using coping of python programming" (Expand search), "using coating of python programming" (Expand search), "using cooking of python programming" (Expand search), "using bonding of python programming" (Expand search), "using coding _ python programming" (Expand search), "using coding in python programming" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computations using computer program\") OR (\"using coding of python programming\"))~".
• Removing quotes may allow a broader search: (( based computations using computer program ) OR ( using coding of python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computations using computer program") OR ("using coding of python programming"))*.