Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"ke nan thang slippers" » "ke nam thang slippers", "ke van thang slippers", "ke nhanh thang slippers", "ke nang thang slippers", "ke dan thang slippers", "ke san thang slippers", "ke nan thang grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ke nan thang slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ke nan thang slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ke nan thang slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ke nan thang slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.