Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"luan doi dan snippets" » "quan doi dan snippets", "lua doi dan snippets", "luan gioi dan snippets", "luan hoi dan snippets", "luan doi ban snippets", "luan doi dau snippets"
"locating bug core snippets" » "locating bug 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 java code snippets") OR ("luan doi dan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan doi dan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan doi dan snippets"))) or ("locating bug core snippets"))*.