Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"web da trac slippers" » "web va trac slippers", "web da tac slippers", "web tap trac slippers", "web da trac 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: (((("python using java slippery") or ("web da trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippery") OR ("web da trac slippers"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( web da trac slippers ))) or ( locating bug code snippets ))*.