Perhaps you should try some spelling variations:
"cung trang trinh snippets" » "cung tra trinh snippets", "cung trang tri snippets", "cung thanh trinh snippets", "cung thang trinh snippets", "cung trong trinh snippets", "huong trang trinh snippets", "cung trang trinh slippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"
"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 ("cung trang trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("cung trang trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( cung trang trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("cung trang trinh snippets"))) or ("locating bug code snippets"))*.