Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung dan chu snippets" » "dung dan code snippets", "dung dat chu snippets", "dung san chu snippets", "tung dan chu snippets", "dung dan cu snippets", "dung can chu snippets", "dung dan cho 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: (((("dung dan chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dan chu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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