Perhaps you should try some spelling variations:
"dung vbungss code snippets" » "dung vung code snippets", "dung vbungss core snippets", "dung vbungss code slippers"
"dung cac anh snippets" » "luong cac anh snippets", "dung cho anh snippets", "dung tai anh snippets", "dung cac banh snippets", "dung cao anh snippets", "dung ca anh snippets", "dung cac anh slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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