Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"dan thi cua slippers" » "dang thi cua slippers", "tran thi cua slippers", "dinh thi cua slippers", "dan thai cua slippers", "dan thi cuc slippers", "dan tri cua slippers", "dan thi cua 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 cua 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 cua slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan thi cua slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thi cua slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.