Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java slippery", "python using java grippers"
"lan van lua snippets" » "luan van lua snippets", "lang van lua snippets", "tan van lua snippets", "lan van luan snippets", "lan van lu snippets", "lan van luc snippets"
"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: (((("python using java slippers") or ("lan van lua snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippers") OR ("lan van lua snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( lan van lua snippets ))) or ( locating bug code snippets ))*.