Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao khai cac snippets" » "dao khai code snippets", "dao khau cac snippets", "cao khai cac snippets", "dan khai cac snippets", "dao khai thac snippets", "dao thoai cac snippets", "dao tai cac 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: (((("dao khai cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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