Perhaps you should try some spelling variations:
"and computational and computing program" » "_ computational and computing program" (Expand search), "and computational and consulting program" (Expand search), "and computational and computer program" (Expand search), "and computational and computador program" (Expand search), "and computational grid computing program" (Expand search), "and computational fog computing program" (Expand search)
"using computational fluid python programming" » "using computational fluent python programming" (Expand search), "using computational fluid method programming" (Expand search), "using computational lib python programming" (Expand search)

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