Perhaps you should try some spelling variations:
"dat luan dat grippers" » "dat luan soft grippers", "dan luan dat grippers", "dau luan dat grippers", "dat quang dat grippers", "dat luat dat grippers", "dat luan dac grippers", "dat luan day grippers"
"python using java slippery" » "python using data slippery", "python using java 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: (((("dat luan dat grippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat luan dat grippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat luan dat grippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat luan dat grippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.