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