Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java grippers"
"tu trac dat slippery" » "tu trai dat slippery", "tu tac dat slippery", "tu tac da slippery", "tu truc dat slippery", "ty trach dat slippery", "tap trac 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 trac dat slippery") or ("python using java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu trac dat slippery") OR ("python using java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu trac dat slippery ) or ( python using java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu trac dat slippery") or ("python using java slippers"))) or ("locating bug code snippets"))*.