Perhaps you should try some spelling variations:
"python using data slippers" » "python using java slippers", "python using sat slippers", "python missing data slippers", "python using data grippers"
"cong hoc phi slippery" » "dong hoc phi slippery", "cong hoa phi slippery", "cong coc phi slippery", "cong hoc pho slippery", "cong hoc chi slippery", "cong hoc khi slippery"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 slippers") or ("cong hoc phi slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data slippers") OR ("cong hoc phi slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data slippers ) or ( cong hoc phi slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data slippers") or ("cong hoc phi slippery"))) or ("locating bug code snippets"))*.