Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tri chat ban snippets" » "tra chat ban snippets", "trinh chat ban snippets", "tri nhan ban snippets", "tri nhat ban snippets", "tri chat ran snippets", "tri cua ban snippets"

Try widening your search to All Fields.

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