Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python using java grippers"
"tu trac vang slippery" » "tu tac vang slippery", "tu tran van slippery", "tu tra nang slippery", "tu truc vang slippery", "ty trach vang slippery", "tap trac vang 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 vang 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 vang slippery") OR ("python using java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu trac vang slippery ) or ( python using java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu trac vang slippery") or ("python using java slippers"))) or ("locating bug code snippets"))*.