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 grippers"
"ke nam thanh slippery" » "ke pham thanh slippery", "ke ban thanh slippery", "ke tai thanh slippery", "ke dam thanh slippery", "he nam thanh slippery", "ke nan thanh 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: (((("ke nam thanh slippery") or ("python using data slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ke nam thanh slippery") OR ("python using data slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ke nam thanh slippery ) or ( python using data slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ke nam thanh slippery") or ("python using data slippers"))) or ("locating bug code snippets"))*.