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