Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac hoi phan snippets" » "cac phoi phan snippets", "cac hoc phan snippets", "cac hoa phan snippets", "cac thoi phan snippets", "cac khoi phan snippets", "cau hoi phan snippets"

Try widening your search to All Fields.

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