Perhaps you should try some spelling variations:
"and computational python computer program" » "and computacional python computer program" (Expand search), "and computacional vpython computer program" (Expand search), "and computacionais python computer program" (Expand search), "_ computational python computer program" (Expand search)
"based computational and computing program" » "by computational and computing program" (Expand search), "based computational fluid computing program" (Expand search), "based computational and consulting program" (Expand search), "based computational and computador program" (Expand search), "based computational and computer programs" (Expand search), "based computational grid computing program" (Expand search), "based computational fog computing program" (Expand search), "based computational and computer program" (Expand search)

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