Perhaps you should try some spelling variations:
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung hung code slippers"
"tung dan trac snippets" » "dung dan trac snippets", "huong dan trac snippets", "trung dai trac snippets", "tung dan tra snippets", "tung dang tran snippets", "tung dien trac snippets", "tung dan trac slippers"
"locating bug code 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 hung code snippets") or ("tung dan trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hung code snippets") OR ("tung dan trac snippets"))) OR ("locating bug code snippets")).
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