Perhaps you should try some spelling variations:
"using computational python computer program" » "using computacional python computer program" (Expand search), "using computacional vpython computer program" (Expand search), "using computacionais python computer program" (Expand search), "and computational python computer program" (Expand search)
"based computational and examples from" » "and computational and examples from" (Expand search), "by computational and examples from" (Expand search), "based computational fluid examples from" (Expand search), "based computational and example from" (Expand search), "based computational and samples from" (Expand search), "based computational and examples of" (Expand search), "based computational an example from" (Expand search)

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