Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran bai cu snippets" » "tran bai code snippets", "toan bai cu snippets", "tran hai cu snippets", "trang tai cu snippets", "tran bai cua snippets", "tran bai ca snippets", "tran bai tu 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: (((("tran bai cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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