Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan ban cau snippets" » "nhan ban code snippets", "nhuan ban cau snippets", "nhat ban cau snippets", "nhan dan cau snippets", "nhan bang cau snippets", "nhan ban can snippets", "nhan van cau 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 ("nhan ban cau snippets"))) or ("locating bug core snippets"))~.
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