Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"using two luan slippers" » "during two luan slippers", "using uwb luan slippers", "using tao luan slippers", "using tu luan slippers", "using te luan slippers", "using two luan slippery", "using two luan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("using two luan slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( using two luan slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("using two luan slippers"))) or ("locating bug code snippets"))*.