Perhaps you should try some spelling variations:
"python using data slippery" » "python using java slippery", "python using sat slippery", "python missing data slippery"
"web voi code snippets" » "web voi cong snippets", "web voi co snippets", "web voi con snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs 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: (((("python using data slippery") or ("web voi code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data slippery") OR ("web voi code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( python using data slippery ) or ( web voi code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data slippery") or ("web voi code snippets"))) or ("locating bug code slippers"))*.