Perhaps you should try some spelling variations:
"dung dan code snippets" » "dung dat code snippets", "dung san code snippets", "tung dan code snippets", "dung dan de snippets", "dung dan code slippers"
"dung cac tang snippets" » "luong cac tang snippets", "dung cho tang snippets", "dung tai tang snippets", "dung cao tang snippets", "dung cac dang snippets", "dung ca tang snippets", "dung cac tang slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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 code snippets") or ("dung cac tang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dan code snippets") OR ("dung cac tang snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan code snippets ) or ( dung cac tang snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan code snippets") or ("dung cac tang snippets"))) or ("locating bug code snippets"))*.