Perhaps you should try some spelling variations:
"dung vbug code snippets" » "dung vung code snippets", "dung vbug code slippers", "dung vbung code snippets", "dung vbugs code snippets"
"dung cau phat snippets" » "dung chau phat snippets", "dung cu phat snippets", "dung cac phat snippets", "dung cuu phat snippets", "dung cau hat snippets", "dung cau pham snippets", "dung cau phat slippers"
"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 vbug code snippets") or ("dung cau phat snippets"))) or ("locating bug code snippets"))~.
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• Adding a wildcard symbol may retrieve word variants: (((("dung vbug code snippets") or ("dung cau phat snippets"))) or ("locating bug code snippets"))*.