Perhaps you should try some spelling variations:
"nhung thanh trinh snippets" » "phuong thanh trinh snippets", "trung thanh trinh snippets", "nhanh thanh trinh snippets", "nhung hanh trinh snippets", "nhung thanh tinh snippets", "nhung thanh binh snippets", "nhung thanh 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 ("nhung thanh 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 ("nhung thanh trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( nhung thanh trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("nhung thanh trinh snippets"))) or ("locating bug code snippets"))*.