Perhaps you should try some spelling variations:
"trinh cad code snippets" » "trinh cau code snippets", "trinh cac code snippets", "trinh cam code snippets", "trinh cfd code snippets", "trinh cad model snippets", "trinh cad code slippers"
"dung dang code snippets" » "dung dan code snippets", "dung dong code snippets", "dung danh code snippets", "dung dang cong snippets", "dung dang co snippets", "dung dang de snippets", "dung dang 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 cad code snippets") or ("dung dang code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cad code snippets") OR ("dung dang code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cad code snippets ) or ( dung dang code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cad code snippets") or ("dung dang code snippets"))) or ("locating bug code snippets"))*.