Perhaps you should try some spelling variations:
"trinh trinh do snippets" » "trinh tinh do snippets", "trinh kinh do snippets", "trinh tin do snippets", "trinh trinh ky snippets"
"dong hung code snippets" » "dong huong code snippets", "dang hung code snippets", "cong hung code snippets"
"locating bug code snippets" » "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 trinh do snippets") or ("dong hung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh trinh do snippets") OR ("dong hung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh trinh do snippets ) or ( dong hung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh trinh do snippets") or ("dong hung code snippets"))) or ("locating bug code snippets"))*.