Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran phan co snippets" » "tran phan code snippets", "toan phan co snippets", "than phan co snippets", "tra phan co snippets", "tran phan bo snippets", "tran phan cong snippets", "tran phan cac 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: (((("tran phan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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