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