Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan den con snippets" » "dan den code snippets", "ban den con snippets", "van den con snippets", "dan dung con snippets", "dan den cong snippets", "dan den coi snippets", "dan den son snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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