Perhaps you should try some spelling variations:
"dung doanh vi snippets" » "dung dan vi snippets", "dung dong vi snippets", "dung doanh va snippets", "dung doan vi snippets", "dung doanh vien snippets", "dung doanh vi slippers"
"using a code snippets" » "using a core snippets", "using a code slippers"
"locating bug code snippets" » "locating bug core 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.

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