Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery", "python using java slippers"
"dung co lua grippers" » "dung cho lua grippers", "dung cong lua grippers", "dung cua lua grippers", "dung co cua grippers", "dung ca lua grippers", "dung co loa grippers", "dung co lua slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung co lua grippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung co lua grippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung co lua grippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co lua grippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.