Perhaps you should try some spelling variations:
"testing computation using computer program" » "testing imputation using computer program" (Expand search), "testing population using computer program" (Expand search), "testing mutation using computer program" (Expand search), "testing computations using computer program" (Expand search), "testing computation in computer program" (Expand search), "testing composition using computer program" (Expand search)
"using coding fluent python programming" » "using modeling fluent python programming" (Expand search), "using coding element python programming" (Expand search), "using loading influent python programming" (Expand search), "using coping fluent python programming" (Expand search), "using coating fluent python programming" (Expand search), "using cooking fluent python programming" (Expand search)

You may be able to get more results by adjusting your search query.

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