Perhaps you should try some spelling variations:
"trong trinh phan snippets" » "trong tinh phan snippets", "trang trinh phan snippets", "trong thinh phan snippets", "trong trinh han snippets", "trong trinh quan snippets", "trong thanh phan snippets", "trong trinh phan 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 ("trong trinh phan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("trong trinh phan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( trong trinh phan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("trong trinh phan snippets"))) or ("locating bug code snippets"))*.