Perhaps you should try some spelling variations:
"using computation in computer program" » "using computational in computer program" (Expand search), "using imputation in computer program" (Expand search), "using compilation in computer program" (Expand search), "using computation and computer program" (Expand search), "using computation of computer program" (Expand search), "using computation _ computer program" (Expand search)
"using codigo fluent python programming" » "using codigo fuente python programming" (Expand search), "using codigo front python programming" (Expand search), "using codigo forest python programming" (Expand search), "using indigo fluent python programming" (Expand search), "using coding fluent python programming" (Expand search), "using codium fluent python programming" (Expand search)

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