Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan bi cau snippets" » "nhan bi code snippets", "phan bi cau snippets", "than bi cau snippets", "nhan biet cau snippets", "nhan bo cau snippets", "nhan bi dau snippets", "nhan ba 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: (((("nhan bi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan bi cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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