Perhaps you should try some spelling variations:
"dung tieu phan slippers" » "dung hieu phan slippers", "dung tren phan slippers", "dung tin phan slippers", "dung lieu phan slippers", "dung tieu nhan slippers", "dung tieu chuan slippers", "dung tieu phan slippery", "dung tieu phan grippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets"
"locating bug code snippets" » "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 ("dung tieu phan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("dung tieu phan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dung tieu phan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung tieu phan slippers"))) or ("locating bug code snippets"))*.