Perhaps you should try some spelling variations:
"cong dung dan slippers" » "cuong dung dan slippers", "cong dong dan slippers", "cong luong dan slippers", "cong dung dat slippers", "cong dung san slippers", "cong tung dan slippers", "cong dung dan slippery", "cong dung dan grippers"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cong dung dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong dung dan slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dung dan slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dung dan slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.