Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"toc noi dap snippets" » "hoc noi dap snippets", "toc nguoi dap snippets", "toeic noi dap snippets", "toc hoi dap snippets", "toc noi da snippets", "toc doi dap snippets", "toc noi dap slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("toc noi dap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc noi dap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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