Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung bai doi snippets" » "dung bai code snippets", "dung tai doi snippets", "dung sai doi snippets", "dung hai doi snippets", "dung bai doc snippets", "dung mai doi snippets", "dung bai choi 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: (((("dung bai doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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