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