Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"so nam thang snippets" » "so nam thanh snippets", "so tam than snippets", "so nam trong snippets", "soi nam thang snippets", "son nam thang snippets", "bo nam thang snippets"

Try widening your search to All Fields.

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