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