Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"dung java java snippets" » "dung va java snippets"
"dan than java snippets" » "dan think java snippets", "dan than va snippets", "dan chan java snippets", "ban than java snippets", "van than java snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dan than java snippets"))) OR ("locating bugs code slippers"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dan than java snippets ))) or ( locating bugs code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dan than java snippets"))) or ("locating bugs code slippers"))*.