Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoi cac nhan snippets" » "hoi ca nhan snippets", "hoi cac nha snippets", "hoi cam nhan snippets", "hoc cac nhan snippets", "voi cac nhan snippets", "hoa cac nhan snippets"

Try widening your search to All Fields.

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