Perhaps you should try some spelling variations:
"using cfd code slippers" » "using 3d code slippers", "using c code slippers"
"cong hung java snippets" » "cong chung java snippets", "cong huong java snippets", "cong dung java snippets"
"locating bug code snippets" » "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 cfd code slippers") OR ("cong hung java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using cfd code slippers ) or ( cong hung java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using cfd code slippers") or ("cong hung java snippets"))) or ("locating bug code snippets"))*.