Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using real java snippets" » "using metal java snippets", "using raw java snippets"
"dai cong cac snippets" » "dai cuong cac snippets", "tai cong cac snippets", "doi cong cac snippets", "dai cong tac snippets", "dai cong cau 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 ("dai cong cac snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using real java snippets ) or ( dai cong cac snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using real java snippets") or ("dai cong cac snippets"))) or ("locating bugs code snippets"))*.