Perhaps you should try some spelling variations:
"python using data slippers" » "python using java slippers", "python using sat slippers", "python missing data slippers", "python using data slippery", "python using data grippers"
"lua dan code snippets" » "lua dan de snippets", "luat dan code snippets", "cua dan code snippets", "luu dan code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 data slippers") or ("lua dan code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data slippers") OR ("lua dan code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data slippers ) or ( lua dan code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data slippers") or ("lua dan code snippets"))) or ("locating bug code snippets"))*.