Perhaps you should try some spelling variations:
"using computational study comparing programmers" » "using computational study computer programmers" (Expand search), "using computational study comparing protaper" (Expand search), "using computational study sharing programmes" (Expand search), "and computational study comparing programmers" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("using computational study comparing programmers") OR ("using python python python programming"))~.
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• Removing quotes may allow a broader search: (( using computational study comparing programmers ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computational study comparing programmers") OR ("using python python python programming"))*.