Perhaps you should try some spelling variations:
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"
"dung du anh snippets" » "dung de anh snippets", "dung cu anh snippets", "dung cua anh snippets", "dung duc anh snippets", "dung du hanh snippets", "dung duy anh snippets", "dung du anh slippers"
"locating bug code 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 c code snippets") OR ("dung du anh snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dung du anh snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung du anh snippets"))) or ("locating bug code snippets"))*.