Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"phi tin dung slippers" » "phi tien dung slippers", "chi tin dung slippers", "chi tien dung slippers", "phi tin dung 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: (((("phi tin dung slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi tin dung slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi tin dung slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi tin dung slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.