Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"
"dung co ly snippets" » "dung cho ly snippets", "dung cong ly snippets", "dung cua ly snippets", "dung so ly snippets", "dung co ly slippers"

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 ("dung co ly snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("dung co ly snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dung co ly snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung co ly snippets"))) or ("locating bugs code snippets"))*.