Perhaps you should try some spelling variations:
"trinh han code snippets" » "trinh quan code snippets", "trinh han che snippets", "trinh han cosh snippets", "trinh han code slippers"
"dung hung dat snippets" » "dung chung dat snippets", "dung nhung dat snippets", "dung huong dat snippets", "dung dung dat snippets", "dung vung dat snippets", "dung hung dao snippets", "dung hung dat 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.

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