Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"dan thi le slippers" » "dang thi le slippers", "tran thi le slippers", "dinh thi le slippers", "dan thi ly slippers", "dan thi lien slippers", "dan thi le 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.

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