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"
"tu tieng dat slippery" » "tu tien dat slippery", "tu tieng nhat slippery", "tu tieng han slippery", "luc tieng dat slippery", "tu tuong dat slippery", "tu trong dat 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: (((("tu tieng dat slippery") or ("python using data slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu tieng dat slippery") OR ("python using data slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu tieng dat slippery ) or ( python using data slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tieng dat slippery") or ("python using data slippers"))) or ("locating bug code snippets"))*.