Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"dan thi lu slippers" » "dang thi lu slippers", "tran thi lu slippers", "dinh thi lu slippers", "dan thi luu slippers", "dan thi le slippers", "dan thi ly slippers", "dan thi lu grippers"
"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: (((("dan thi lu slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan thi lu slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan thi lu slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thi lu slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.