Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using cfd code snippets" » "using 3d code snippets", "using c code snippets", "using cfd code slippers"
"tung dan code snippets" » "dung dan code snippets", "huong dan code snippets", "trung dai code snippets", "tung dan de snippets", "tung dan code slippers"

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 ("tung dan code snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using cfd code snippets ) or ( tung dan code snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using cfd code snippets") or ("tung dan code snippets"))) or ("locating bugs code snippets"))*.