Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan dung gen snippets" » "van dung gen snippets", "tin dung gen snippets", "ap dung gen snippets", "dan dung nen snippets", "dan dung len snippets", "dan vung gen snippets", "dan dung gen 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: (((("dan dung gen snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan dung gen snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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