Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"can cac nhan snippets" » "can ca nhan snippets", "can cac nha snippets", "can cam nhan snippets", "ca cac nhan snippets", "can cau nhan snippets", "can tac nhan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("can 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: (((("can cac nhan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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