Perhaps you should try some spelling variations:
"trinh phi trong snippets" » "trinh thi trong snippets", "trinh nhi trong snippets", "trinh chi trong snippets", "trinh phi thuong snippets", "trinh choi trong snippets", "trinh nhin trong snippets", "trinh phi trong 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 phi trong 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 phi trong snippets") OR ("dung hung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh phi trong snippets ) or ( dung hung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh phi trong snippets") or ("dung hung code snippets"))) or ("locating bug code snippets"))*.