Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"19 using real grippers" » "19 using metal grippers", "19 using raw grippers", "_ using real grippers", "ε using real grippers", "19 using real slippers"
"using java java snippets" » "using data java snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("19 using real grippers") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( 19 using real grippers ) or ( using java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("19 using real grippers") or ("using java java snippets"))) or ("locating bug core snippets"))*.