Perhaps you should try some spelling variations:
"tranh dung dan slippers" » "trinh dung dan slippers", "tran dung dan slippers", "thanh dung dan slippers", "tranh dung dat slippers", "tranh dung san slippers", "tranh tung dan slippers", "tranh dung dan slippery", "tranh 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: (((("dung java java snippets") or ("tranh dung 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 ("tranh dung dan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tranh dung dan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tranh dung dan slippers"))) or ("locating bug code snippets"))*.