Perhaps you should try some spelling variations:
"_ using real slippers" » "_ using metal slippers", "_ using raw slippers", "_ housing real slippers", "_ using real slippery"
"using java java grippers" » "using data java 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: (((("_ using real slippers") OR ("using java java grippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( _ using real slippers ) or ( using java java grippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ using real slippers") or ("using java java grippers"))) or ("locating bug code snippets"))*.