Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac tao nhan snippets" » "cac giao nhan snippets", "cac ca nhan snippets", "cac tue nhan snippets", "cau tao nhan snippets", "cac tro nhan snippets", "cac tac nhan snippets"

Try widening your search to All Fields.

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