Perhaps you should try some spelling variations:
"python using java grippers" » "python using data grippers", "python using java slippers"
"quan van lua slippery" » "luan van lua slippery", "quan va lua slippery", "quan luan lua slippery", "quan van luan slippery", "quan van lu slippery", "quan van luc slippery", "quan van 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: (((("quan van 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: (((("quan van lua slippery") OR ("python using java grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan van lua slippery ) or ( python using java grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan van lua slippery") or ("python using java grippers"))) or ("locating bug code snippets"))*.