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 cot hat snippets" » "dung co hat snippets", "dung mot hat snippets", "dung con hat snippets", "dung cot hat slippers", "dung cot nhat snippets", "dung cot phat snippets", "dung cot chat snippets"
"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 cot hat 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 cot hat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan code snippets ) or ( dung cot hat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan code snippets") or ("dung cot hat snippets"))) or ("locating bug code snippets"))*.