Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung doi day snippets" » "huong doi day snippets", "dung tai day snippets", "dung co day snippets", "dung duoi day snippets", "dung doi dau snippets", "dung loi day snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung doi day 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 doi day snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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