Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung ninh lo snippets" » "dung ninh code snippets", "dung vinh lo snippets", "quang ninh lo snippets", "dung dich lo snippets", "dung ninh co snippets", "dung tinh lao snippets", "dung ninh hoa 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 ninh lo 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 ninh lo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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