Perhaps you should try some spelling variations:
"dung ning liu snippets" » "dung ninh liu snippets", "dung nang liu snippets", "dung nhung liu snippets", "dung qing liu snippets", "dung qiong liu snippets", "dung jin liu snippets", "dung ning liu slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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