Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung viet some snippets" » "nang viet some snippets", "cong viet some snippets", "mang viet some snippets", "dung viet song snippets"
"dong dat code snippets" » "dong vat code snippets", "dung dat code snippets", "dong ha code snippets", "dong rate code snippets", "dong dat de snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong dat code snippets") OR ("dung viet some snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( dong dat code snippets ) or ( dung viet some snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dong dat code snippets") or ("dung viet some snippets"))) or ("locating bugs code snippets"))*.