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