Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hoan co snippets" » "tran hoan code snippets", "tran hoang co snippets", "tuan hoan co snippets", "tran doan co snippets", "tran hoa co snippets", "tran toan co snippets", "tran hoac co 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 ("tran hoan co snippets"))) or ("locating bug core snippets"))~.
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