Perhaps you should try some spelling variations:
"dung trong code snippets" » "dung trong cong snippets", "dung trong co snippets", "dung trong che snippets", "dung trong code slippers"
"trinh hat dan snippets" » "trinh chat dan snippets", "trinh phat dan snippets", "trinh nhat dan snippets", "trinh hat van snippets", "trinh mat dan snippets", "trinh nhat danh snippets", "trinh hat dan 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 hat dan snippets") OR ("dung trong code snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( trinh hat dan snippets ) or ( dung trong code snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh hat dan snippets") or ("dung trong code snippets"))) or ("locating bug code snippets"))*.