Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kiem va cau snippets" » "kiem va code snippets", "kien va cau snippets", "kiem tra cau snippets", "nhiem va cau snippets", "kiem van cau snippets", "kiem va cac snippets", "kiem va dau snippets"
"python using java snippets" » "python using data 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 ("kiem va cau snippets"))) or ("locating bug core snippets"))~.
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