Perhaps you should try some spelling variations:
"trinh dinh duan snippets" » "trinh kinh duan snippets", "trinh sinh duan snippets", "trinh dung duan snippets", "trinh dinh xuan snippets", "trinh dinh duong snippets", "trinh dinh quang snippets", "trinh dinh duan 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"

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

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