Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bai tang cac snippets" » "bai tang code snippets", "ba tang cac snippets", "bai giang cac snippets", "bai trong cac snippets", "bai bang cac snippets", "bai hang cac snippets", "bai tang ca 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 ("bai tang cac snippets"))) or ("locating bug core snippets"))~.
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