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