Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers", "python using java slippers"
"dung co lua slippery" » "dung cho lua slippery", "dung cong lua slippery", "dung cua lua slippery", "dung co cua slippery", "dung ca lua slippery", "dung co loa slippery", "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 slippery") or ("python using java grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung co lua slippery") OR ("python using java grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung co lua slippery ) or ( python using java grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co lua slippery") or ("python using java grippers"))) or ("locating bug code snippets"))*.