Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung xa hoa snippets" » "dung xa code snippets", "duong xa hoa snippets", "dung ha hoa snippets", "dong xa hoa snippets", "dung xa khoa snippets", "dung xa hoi snippets", "dung ma hoa 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 xa hoa 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 xa hoa snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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