Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung dan zhang snippets" » "dung yan zhang snippets", "dung lidan zhang snippets", "dung danh thang snippets", "dung dat zhang snippets", "dung san zhang snippets", "tung dan zhang snippets", "dung dan zhang slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

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

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