Perhaps you should try some spelling variations:
"cong trinh cauac snippets" » "cong trinh cau snippets", "cong trinh cua snippets", "cong trinh cac snippets", "cong trinh cauac slippers"
"trinh _ code snippets" » "trinh _ 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 _ code snippets") or ("cong trinh cauac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh _ code snippets") OR ("cong trinh cauac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh _ code snippets ) or ( cong trinh cauac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh _ code snippets") or ("cong trinh cauac snippets"))) or ("locating bug code snippets"))*.