Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung may dan snippets" » "dung va dan snippets", "dung tai dan snippets", "mang may dan snippets", "dung may san snippets", "dung cay dan snippets", "dung mat dan 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 ("dung may dan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung may dan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung may dan snippets"))) or ("locating bug core snippets"))*.