Perhaps you should try some spelling variations:
"dung ninh trinh snippets" » "dung ninh tinh snippets", "dung dinh trinh snippets", "dung sinh trinh snippets", "dung vinh trinh snippets", "quang ninh trinh snippets", "dung dich trinh snippets", "dung ninh 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 ("dung ninh 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 ("dung ninh trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hung code snippets ) or ( dung ninh trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hung code snippets") or ("dung ninh trinh snippets"))) or ("locating bug code snippets"))*.