Perhaps you should try some spelling variations:
"trong trong dan slippers" » "trong truong dan slippers", "truong trong dan slippers", "thong trong dan slippers", "trong trong dang slippers", "trong trong san slippers", "trong trong tan slippers", "trong trong dan slippery", "trong trong 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: (((("dung java java snippets") or ("trong trong dan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong trong dan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong trong dan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong trong dan slippers"))) or ("locating bug code snippets"))*.