Perhaps you should try some spelling variations:
"using real java snippets" » "using metal java snippets", "using raw java snippets"
"do trong code slippers" » "do trong cong slippers", "do trong co slippers", "do trong che slippers", "dot trong code slippers", "dao trong code slippers", "doi trong code slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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: (((("using real java snippets") OR ("do trong code slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using real java snippets ) or ( do trong code slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using real java snippets") or ("do trong code slippers"))) or ("locating bug code snippets"))*.