Perhaps you should try some spelling variations:
"dung doi hang slippers" » "huong doi hang slippers", "dung tai hang slippers", "dung co hang slippers", "dung doi khang slippers", "dung voi hang slippers", "dung doi hanh slippers", "dung doi hang slippery", "dung doi hang 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 doi hang 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 doi hang slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dung doi hang slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung doi hang slippers"))) or ("locating bug code snippets"))*.