Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"can cau toan snippets" » "can cau code snippets", "can cuu toan snippets", "can cau hoang snippets", "can cau thang snippets", "van cau toan snippets", "ban cau toan snippets", "ca cau toan 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: (((("can cau toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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