Perhaps you should try some spelling variations:
"by computational python computer program" » "by computacional python computer program" (Expand search), "by computacional vpython computer program" (Expand search), "by computacionais python computer program" (Expand search), "_ computational python computer program" (Expand search)
"and computational code using program" » "and computational model using program" (Expand search), "and computational cost using program" (Expand search), "and computational models using program" (Expand search), "_ computational code using program" (Expand search), "and computational code housing program" (Expand search), "and computational code nursing program" (Expand search), "and computational code aging program" (Expand search), "and computational made using program" (Expand search), "and computational coding using program" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computational python computer program\") OR (\"and computational code using program\"))".
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