Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chan ta cau snippets" » "chan ta code snippets", "chan tha cau snippets", "nhan tai cau snippets", "nhan tao cau snippets", "chan tao cau snippets", "chan tra cau snippets", "chan va 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: (((("chan ta cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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