Perhaps you should try some spelling variations:
"dung dong anh snippets" » "dung cong anh snippets", "vung dong anh snippets", "dung trong anh snippets", "dung hong anh snippets", "dung dong thanh snippets", "dung hoang anh snippets", "dung dong anh slippers"
"dung vbugs code snippets" » "dung vbugs code slippers", "dung vbungs code snippets", "dung vbugss code snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung vbugs code snippets") or ("dung dong anh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung vbugs code snippets") OR ("dung dong anh snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dung vbugs code snippets") or ("dung dong anh snippets"))) or ("locating bug code snippets"))*.