Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan ban tran snippets" » "dan ban trang snippets", "dan tan tran snippets", "dan ban than snippets", "van ban tran snippets", "can ban tran snippets", "dan ba tran snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan ban tran snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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