Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dap hong thu snippets" » "dai hong thu snippets", "cap hoang thu snippets", "dai khong thu snippets", "dap hoang thu snippets", "dap phong thu snippets", "dap thong thu snippets", "dap hong thu 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: (((("dap hong thu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap hong thu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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