Perhaps you should try some spelling variations:
"trinh anh dat snippets" » "trinh hanh dat snippets", "trinh thanh dat snippets", "trinh kinh dat snippets", "trinh lanh dao snippets", "trinh dinh dat snippets"
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

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