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 so benh snippets" » "dung co benh snippets", "dung mo benh snippets", "dung cho benh snippets", "dung so benh slippers", "dung so binh snippets"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using c code snippets") or ("dung so benh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("dung so benh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dung so benh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung so benh snippets"))) or ("locating bug code snippets"))*.