Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hoai ca snippets" » "dung hoai code snippets", "dung hai ca snippets", "dang hoai ca snippets", "dung hoa ca snippets", "dung hoai cai snippets", "dung hoai va snippets", "dung loai ca 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 hoai ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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