Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"dan ca dua slippers" » "dan cay dua slippers", "dan ca cua slippers", "dan ca da slippers", "dan ca dua 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: (((("dan ca dua slippers") OR ("python using java slippery"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dan ca dua slippers ) or ( python using java slippery ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan ca dua slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.