Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung dan _ snippets" » "dung dat _ snippets", "dung san _ snippets", "tung dan _ snippets", "dung dan _ slippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c 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 c code snippets") OR ("dung dan _ snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dung dan _ snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung dan _ snippets"))) or ("locating bugs code snippets"))*.