Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"tu trac vang slippers" » "tu tac vang slippers", "tu tran van slippers", "tu tra nang slippers", "tu truc vang slippers", "ty trach vang slippers", "tap trac vang slippers", "tu trac vang grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu trac vang slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu trac vang slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu trac vang slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.