Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"bua cac nhan snippets" » "bua ca nhan snippets", "bua cac nha snippets", "bua cam nhan snippets", "cua cac nhan snippets", "qua cac nhan snippets", "rua cac nhan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("bua cac nhan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bua cac nhan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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