Perhaps you should try some spelling variations:
"ε using real slippery" » "ε using metal slippery", "ε using raw slippery", "_ using real slippery", "19 using real slippery"
"using java java slippers" » "using data java slippers", "using java java 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: (((("ε using real slippery") or ("using java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ε using real slippery") OR ("using java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ε using real slippery ) or ( using java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ε using real slippery") or ("using java java slippers"))) or ("locating bug code snippets"))*.