Perhaps you should try some spelling variations:
"dan dung trinh snippets" » "dan dung tinh snippets", "dan dong trinh snippets", "dan cong trinh snippets", "van dung trinh snippets", "tin dung trinh snippets", "ap dung trinh snippets", "dan dung trinh slippers"
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung hung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 hung code snippets") or ("dan dung trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hung code snippets") OR ("dan dung trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hung code snippets ) or ( dan dung trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hung code snippets") or ("dan dung trinh snippets"))) or ("locating bug code snippets"))*.