Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nhan dan san snippets" » "phan dau san snippets", "gian dan san snippets", "nhan tai san snippets", "nhan dac san snippets", "nhan han san snippets", "nhan tan san snippets"

Try widening your search to All Fields.

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