Perhaps you should try some spelling variations:
"using cfd code snippets" » "using 3d code snippets", "using c code snippets"
"dong cau doi snippets" » "cong cau doi snippets", "dong cac doi snippets", "dong mau doi snippets", "dong cau hoi snippets", "dong cau do snippets", "dong cau noi 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: (((("using cfd code snippets") OR ("dong cau doi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using cfd code snippets ) or ( dong cau doi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using cfd code snippets") or ("dong cau doi snippets"))) or ("locating bug core snippets"))*.