Perhaps you should try some spelling variations:
"dung quat data snippets" » "dung quan data snippets", "dung qua data snippets", "dung luat data snippets", "dung luat dat snippets", "dung qua dat snippets", "dung tuat dat snippets"
"trinh do code snippets" » "trinh ky code snippets"
"locating bug core snippets" » "locating bug code 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: (((("trinh do code snippets") OR ("dung quat data snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( trinh do code snippets ) or ( dung quat data snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh do code snippets") or ("dung quat data snippets"))) or ("locating bug core snippets"))*.