Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh duy thu snippets" » "danh du thu snippets", "dinh duy thu snippets", "manh duy thu snippets", "danh huy thu snippets", "danh duy tu snippets", "danh duy thieu snippets", "danh duy 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: (((("danh duy 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: (((("danh duy thu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh duy thu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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