Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery", "python using java slippers"
"doanh va lua grippers" » "doan va lua grippers", "doanh tai lua grippers", "doanh cua lua grippers", "doanh va luat grippers", "doanh ca lua grippers", "doanh vi lua grippers", "doanh va 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: (((("doanh va 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: (((("doanh va lua grippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doanh va lua grippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh va lua grippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.