Perhaps you should try some spelling variations:
"trinh viet code snippets" » "ninh viet code snippets", "trinh vat code snippets", "trinh viet co snippets", "trinh viet some snippets", "trinh viet code slippers"
"dong vat code snippets" » "dong va code snippets", "dong von code snippets", "dong ha code snippets", "dong rate code snippets", "dong vat co snippets", "dong vat de snippets", "dong vat 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 viet code snippets") or ("dong vat code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh viet code snippets") OR ("dong vat code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( trinh viet code snippets ) or ( dong vat code snippets ))) or ( locating bug code snippets ))*.