Perhaps you should try some spelling variations:
"trinh danh cho snippets" » "trinh dinh cho snippets", "trinh dan cho snippets", "trinh anh cho snippets"
"dung trong code snippets" » "dung trong cong snippets", "dung trong co snippets", "dung trong che snippets"
"locating bug code snippets" » "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 danh cho snippets") or ("dung trong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh danh cho snippets") OR ("dung trong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh danh cho snippets ) or ( dung trong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh danh cho snippets") or ("dung trong code snippets"))) or ("locating bug code snippets"))*.