Perhaps you should try some spelling variations:
"python using data slippery" » "python using java slippery", "python using sat slippery", "python missing data slippery", "python using data slippers"
"de lam zhang grippers" » "de lam sang grippers", "de nam thang grippers", "de tao zhang grippers", "da lam zhang grippers", "de la zhang grippers", "se lam zhang grippers", "de lam zhang 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: (((("de lam zhang grippers") or ("python using data slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de lam zhang grippers") OR ("python using data slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de lam zhang grippers ) or ( python using data slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de lam zhang grippers") or ("python using data slippery"))) or ("locating bug code snippets"))*.