Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung my nghe snippets" » "dung my code snippets", "dung may nghe snippets", "dung mo nghe snippets", "dung mot nghe snippets", "dung ky nghe snippets", "dung mi nghe snippets", "dung day nghe 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 my nghe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung my nghe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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