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