Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hai de snippets" » "dung hai code snippets", "dung tai de snippets", "dung ha de snippets", "dung sai de snippets", "dung dai de snippets", "dung lai de snippets", "dung hai di 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 hai de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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