Perhaps you should try some spelling variations:
"tung dan thin snippets" » "dung dan thin snippets", "huong dan thin snippets", "trung dai thin snippets", "tung danh thin snippets", "tung dan thi snippets", "tung dan than snippets", "tung dan thin 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 ("tung dan thin snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("tung dan thin snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( tung dan thin snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("tung dan thin snippets"))) or ("locating bug code snippets"))*.